{"id":1880436,"date":"2026-04-13T15:20:54","date_gmt":"2026-04-13T12:20:54","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=1880436"},"modified":"2026-04-13T15:20:54","modified_gmt":"2026-04-13T12:20:54","slug":"dna-from-1500-year-old-korean-mass-grave-exposes-a-brutal-ancient-ritual","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=1880436","title":{"rendered":"DNA From 1,500-Year-Old Korean Mass Grave Exposes a Brutal Ancient Ritual"},"content":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/gizmodo.com\/app\/uploads\/2026\/04\/Excavation-of-human-skeletal-remain-imdang-sunjang-1200&#215;675.jpg&#8221;]<\/p>\n<article class=\"post-2000745194 post type-post status-publish format-standard has-post-thumbnail hentry category-human-history tag-archaeology tag-south-korea\">\n<div class=\"entry-content prose dark:prose-invert lg:prose-xl prose-science dark:prose-science\">\n<p>Studying ancient history means encountering some unsettling traditions. For me, that included learning about \u201c<em>sunjang<\/em>,\u201d a funeral practice in which servants were buried alive with their masters. With advances in genetic technology, scientists are now gaining new insights into the motivations and characteristics of this grim tradition.<\/p>\n<p>In a recent Science Advances study, an international research team conducted a DNA study of 78 skeletons from a Korean cemetery dating back to between 57 BCE and 668 CE, during the Three Kingdoms period. The tomb, attributed to the Silla Kingdom, turned up genetic evidence of inbreeding and exogamy that distinctly \u201cdiffer from patrilocal systems observed in ancient Europe,\u201d the paper noted.<\/p>\n<figure id=\"attachment_2000745688\" aria-describedby=\"caption-attachment-2000745688\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2000745688 size-full\" src=\"https:\/\/gizmodo.com\/app\/uploads\/2026\/04\/secondary-chamber-eii-2-tomb-joyeong-dong-sunjang-e1776091793292.jpg\" alt=\"Secondary Chamber Eii 2 Tomb Joyeong Dong Sunjang\" width=\"664\" height=\"470\"><figcaption id=\"caption-attachment-2000745688\" class=\"wp-caption-text\">Skeletons and artifacts found in a secondary chamber of one of many mass graves in Gyeongsan, South Korea. \u00a9 Daewook Kim<\/figcaption><\/figure>\n<p>\u201cBased on archaeological data, we posed questions regarding blood relations and kinship structures in Silla society,\u201d Daewook Kim, the study\u2019s co-lead author and a curator at Yeongnam University Museum in South Korea, told Gizmodo. \u201cThese questions were addressed by integrating bioanthropological analysis of human remains with molecular genetic evaluation of ancient DNA, ultimately leading to our archaeological conclusions.\u201d<\/p>\n<h2>Til death do us part\u2026 literally<\/h2>\n<p>Sacrificial burials like <em>sunjang<\/em> have actually been recorded around the world in ancient times, for reasons including, but not limited to, \u201cresource conflicts, ritualistic practices, and justification of the accumulation of wealth and power,\u201d according to the paper. In Silla, historical records indicate that the practice was to consolidate the rank and social status of nobelmen.<\/p>\n<p>\u201cThis practice reflects both the authority to take lives for the sake of the afterlife and the hierarchical nature of the society at the time,\u201d Kim explained. \u201cNumerous cases of sunjang have been identified at the Imdang and Joyeong-dong tomb complexes in Gyeongsan, which were the focus of this study.\u201d<\/p>\n<figure id=\"attachment_2000745692\" aria-describedby=\"caption-attachment-2000745692\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2000745692 size-large\" src=\"https:\/\/gizmodo.com\/app\/uploads\/2026\/04\/Panoramic-view-of-the-Imdang-dong-and-Joyeong-dong-1280x853.jpg\" alt=\"Panoramic View Of The Imdang Dong And Joyeong Dong\" width=\"1280\" height=\"853\"><figcaption id=\"caption-attachment-2000745692\" class=\"wp-caption-text\">An overhead view of the archaeological site in Gyeongsan, South Korea. \u00a9 Daewook Kim<\/figcaption><\/figure>\n<p>According to the Encyclopedia of Korean Culture, kings and social elites were buried with servant women, soldiers, coachmen, and more\u2014individuals that the tomb owner \u201crequired,\u201d presumably in the afterlife. Sacrificial victims were typically in their late teens to thirties and appeared to be in relatively good physical health. The practice was banned in 502 CE.<\/p>\n<p>Both local and international scholars knew of <em>sunjang<\/em> and similar practices through historical records and archaeological discoveries. However, genetic studies to confirm that such mass burials actually happened as suspected were scarce, particularly for ancient civilizations outside of Europe.<\/p>\n<h2>Grave genetics<\/h2>\n<figure id=\"attachment_2000745686\" aria-describedby=\"caption-attachment-2000745686\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2000745686 size-full\" src=\"https:\/\/gizmodo.com\/app\/uploads\/2026\/04\/Excavation-and-recovery-of-human-skeletal-remains-at-imdang-dong-e1776091899764.jpg\" alt=\"Excavation And Recovery Of Human Skeletal Remains At Imdang Dong\" width=\"440\" height=\"638\"><figcaption id=\"caption-attachment-2000745686\" class=\"wp-caption-text\">Archaeologists study the recovered remains. \u00a9 Daewook Kim<\/figcaption><\/figure>\n<p>The new study sought to address this issue by studying the cemetery complex in Gyeongsan, a city known to host many archaeological sites for Silla-era burials. The DNA results both confirmed previous suspicions and revealed new insights. Based on the various artifacts and accessories in the graves, the team was able to identify the \u201ctomb owners,\u201d or the elite individuals who got their own burials. The individuals sacrificed in <em>sunjang<\/em> displayed different burial patterns that indicate they were buried together in mass graves.<\/p>\n<p>As for genetic relations, the team discovered 11 pairs of first-degree relatives (parents, children, or siblings); 23 pairs of second-degree relatives (cousins or grandparents); and 20 pairs of more distant relatives. In three cases, parents and children were sacrificed together in retainer graves, supporting historical records suggesting that entire families \u201cparticipated\u201d in this tradition, according to a statement from Seoul National University.<\/p>\n<p>There were also five cases of close-kin marriage for both tomb owners and sacrificed attendants, which implies \u201cclose-kin marriage \u201cmay not have been a practice exclusive to the royal elite but a broader societal custom,\u201d Ji-won Oh, a biologist at Yonsei University in South Korea who wasn\u2019t involved in the study, told Donga Science.<\/p>\n<h2>Ancient funerary customs<\/h2>\n<p>That said, and as the team admits in the new study, the results are constrained by the \u201cambiguous burial status\u201d of some bodies\u2014which, again, are presumably more than 2,000 years old. The tombs analyzed for this study also represent a limited region and cannot characterize funerary customs as a whole.<\/p>\n<p>Still, the team is excited to expand paleogenomic investigations beyond European sites, as the findings could inform similar investigations in Asia. Jack Davey, director of the Early Korean Studies Center in Cambridge, told Live Science that the study is meaningful in that it studied skeletons from the ancient Three Kingdoms, which itself is rare. For instance, the discovery of household-wide <em>sunjang<\/em> practices \u201craises questions about institutionalized violence, slavery, and social mobility in this 1,500-year-old Korean kingdom,\u201d explained Davey, who wasn\u2019t involved in the new work.<\/p>\n<p>\u201cBioarchaeological research based on human remains has the potential to continue expanding, including studies on ancient pathogen DNA, genetic diseases, and stress patterns,\u201d Kim concluded to Gizmodo. \u201cSuch research will allow us to reconstruct the lives of ancient people in much greater detail.\u201d<\/p>\n<\/div>\n<\/article>\n<div class=\"entry-content prose dark:prose-invert lg:prose-xl prose-science dark:prose-science\">\n<p>Studying ancient history means encountering some unsettling traditions. For me, that included learning about \u201c<em>sunjang<\/em>,\u201d a funeral practice in which servants were buried alive with their masters. With advances in genetic technology, scientists are now gaining new insights into the motivations and characteristics of this grim tradition.<\/p>\n<p>In a recent Science Advances study, an international research team conducted a DNA study of 78 skeletons from a Korean cemetery dating back to between 57 BCE and 668 CE, during the Three Kingdoms period. The tomb, attributed to the Silla Kingdom, turned up genetic evidence of inbreeding and exogamy that distinctly \u201cdiffer from patrilocal systems observed in ancient Europe,\u201d the paper noted.<\/p>\n<figure id=\"attachment_2000745688\" aria-describedby=\"caption-attachment-2000745688\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2000745688 size-full\" src=\"https:\/\/gizmodo.com\/app\/uploads\/2026\/04\/secondary-chamber-eii-2-tomb-joyeong-dong-sunjang-e1776091793292.jpg\" alt=\"Secondary Chamber Eii 2 Tomb Joyeong Dong Sunjang\" width=\"664\" height=\"470\"><figcaption id=\"caption-attachment-2000745688\" class=\"wp-caption-text\">Skeletons and artifacts found in a secondary chamber of one of many mass graves in Gyeongsan, South Korea. \u00a9 Daewook Kim<\/figcaption><\/figure>\n<p>\u201cBased on archaeological data, we posed questions regarding blood relations and kinship structures in Silla society,\u201d Daewook Kim, the study\u2019s co-lead author and a curator at Yeongnam University Museum in South Korea, told Gizmodo. \u201cThese questions were addressed by integrating bioanthropological analysis of human remains with molecular genetic evaluation of ancient DNA, ultimately leading to our archaeological conclusions.\u201d<\/p>\n<h2>Til death do us part\u2026 literally<\/h2>\n<p>Sacrificial burials like <em>sunjang<\/em> have actually been recorded around the world in ancient times, for reasons including, but not limited to, \u201cresource conflicts, ritualistic practices, and justification of the accumulation of wealth and power,\u201d according to the paper. In Silla, historical records indicate that the practice was to consolidate the rank and social status of nobelmen.<\/p>\n<p>\u201cThis practice reflects both the authority to take lives for the sake of the afterlife and the hierarchical nature of the society at the time,\u201d Kim explained. \u201cNumerous cases of sunjang have been identified at the Imdang and Joyeong-dong tomb complexes in Gyeongsan, which were the focus of this study.\u201d<\/p>\n<figure id=\"attachment_2000745692\" aria-describedby=\"caption-attachment-2000745692\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2000745692 size-large\" src=\"https:\/\/gizmodo.com\/app\/uploads\/2026\/04\/Panoramic-view-of-the-Imdang-dong-and-Joyeong-dong-1280x853.jpg\" alt=\"Panoramic View Of The Imdang Dong And Joyeong Dong\" width=\"1280\" height=\"853\"><figcaption id=\"caption-attachment-2000745692\" class=\"wp-caption-text\">An overhead view of the archaeological site in Gyeongsan, South Korea. \u00a9 Daewook Kim<\/figcaption><\/figure>\n<p>According to the Encyclopedia of Korean Culture, kings and social elites were buried with servant women, soldiers, coachmen, and more\u2014individuals that the tomb owner \u201crequired,\u201d presumably in the afterlife. Sacrificial victims were typically in their late teens to thirties and appeared to be in relatively good physical health. The practice was banned in 502 CE.<\/p>\n<p>Both local and international scholars knew of <em>sunjang<\/em> and similar practices through historical records and archaeological discoveries. However, genetic studies to confirm that such mass burials actually happened as suspected were scarce, particularly for ancient civilizations outside of Europe.<\/p>\n<h2>Grave genetics<\/h2>\n<figure id=\"attachment_2000745686\" aria-describedby=\"caption-attachment-2000745686\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2000745686 size-full\" src=\"https:\/\/gizmodo.com\/app\/uploads\/2026\/04\/Excavation-and-recovery-of-human-skeletal-remains-at-imdang-dong-e1776091899764.jpg\" alt=\"Excavation And Recovery Of Human Skeletal Remains At Imdang Dong\" width=\"440\" height=\"638\"><figcaption id=\"caption-attachment-2000745686\" class=\"wp-caption-text\">Archaeologists study the recovered remains. \u00a9 Daewook Kim<\/figcaption><\/figure>\n<p>The new study sought to address this issue by studying the cemetery complex in Gyeongsan, a city known to host many archaeological sites for Silla-era burials. The DNA results both confirmed previous suspicions and revealed new insights. Based on the various artifacts and accessories in the graves, the team was able to identify the \u201ctomb owners,\u201d or the elite individuals who got their own burials. The individuals sacrificed in <em>sunjang<\/em> displayed different burial patterns that indicate they were buried together in mass graves.<\/p>\n<p>As for genetic relations, the team discovered 11 pairs of first-degree relatives (parents, children, or siblings); 23 pairs of second-degree relatives (cousins or grandparents); and 20 pairs of more distant relatives. In three cases, parents and children were sacrificed together in retainer graves, supporting historical records suggesting that entire families \u201cparticipated\u201d in this tradition, according to a statement from Seoul National University.<\/p>\n<p>There were also five cases of close-kin marriage for both tomb owners and sacrificed attendants, which implies \u201cclose-kin marriage \u201cmay not have been a practice exclusive to the royal elite but a broader societal custom,\u201d Ji-won Oh, a biologist at Yonsei University in South Korea who wasn\u2019t involved in the study, told Donga Science.<\/p>\n<h2>Ancient funerary customs<\/h2>\n<p>That said, and as the team admits in the new study, the results are constrained by the \u201cambiguous burial status\u201d of some bodies\u2014which, again, are presumably more than 2,000 years old. The tombs analyzed for this study also represent a limited region and cannot characterize funerary customs as a whole.<\/p>\n<p>Still, the team is excited to expand paleogenomic investigations beyond European sites, as the findings could inform similar investigations in Asia. Jack Davey, director of the Early Korean Studies Center in Cambridge, told Live Science that the study is meaningful in that it studied skeletons from the ancient Three Kingdoms, which itself is rare. For instance, the discovery of household-wide <em>sunjang<\/em> practices \u201craises questions about institutionalized violence, slavery, and social mobility in this 1,500-year-old Korean kingdom,\u201d explained Davey, who wasn\u2019t involved in the new work.<\/p>\n<p>\u201cBioarchaeological research based on human remains has the potential to continue expanding, including studies on ancient pathogen DNA, genetic diseases, and stress patterns,\u201d Kim concluded to Gizmodo. \u201cSuch research will allow us to reconstruct the lives of ancient people in much greater detail.\u201d<\/p>\n<\/div>\n<p>[analyse_source url=&#8221;https:\/\/gizmodo.com\/dna-from-1500-year-old-korean-mass-grave-exposes-a-brutal-ancient-ritual-2000745194&#8243;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/gizmodo.com\/app\/uploads\/2026\/04\/Excavation-of-human-skeletal-remain-imdang-sunjang-1200&#215;675.jpg&#8221;] Studying ancient history means encountering some unsettling traditions. For me, that included learning about \u201csunjang,\u201d a funeral practice in which servants were buried alive with their masters. With advances in genetic technology, scientists are now gaining new insights into the motivations and characteristics of this grim tradition. In a recent Science Advances [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[226,53],"class_list":["post-1880436","post","type-post","status-publish","format-standard","hentry","category-politics","tag-crawlmanager","tag-gizmodo-com"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1880436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1880436"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1880436\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1880436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1880436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1880436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}