CHARLESTON, S.C. — In the 1700s, a boy was born into slavery in Colonial America. He spent his life working in the coastal city of Charleston, South Carolina. And when he died in middle age, he was buried alongside 35 other slaves.
That’s the likely history that researchers have uncovered for the man — there’s no written record for him or the others buried at the long-forgotten site. Their names have been lost, along with any details of their lives. But their stories are now being told through what was left behind: bones, teeth and, especially, DNA.
In recent decades, advances in DNA research have allowed scientists to use ancient remains and peer into the lives of long-dead people. In Charleston, that’s meant tracing some of the African roots that were cut off by slavery.
“We’re bringing their memory back to life,” said Raquel Fleskes, an anthropologist at the University of Connecticut who studied the remains. “This is a way of restoring dignity to individuals that should’ve always had this dignity.”
The Charleston project started a decade ago, when construction workers unearthed the remains beneath the grounds of the Gaillard Center, an arts venue in the city that was going through an expansion.
Dating back to the second half of the 18th century, the remains are believed to be mostly from enslaved people of African descent who lived nearby. A few of them were likely among the estimated 175,000 Africans brought through Charleston’s port, a hub for the trans-Atlantic slave trade.
The city reburied the remains at the site, where a memorial fountain is planned. But with few recorded details available, community members were also interested in using science to learn more about the people, Fleskes said.
So, the Anson Street African Burial Ground Project was born, and researchers started looking for clues.
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Artifacts from the site showed that the bodies were buried with care, explained Theodore Schurr, an anthropologist at the University of Pennsylvania who worked on the research. Some of them had beads in their hair or coins over their eyes. Minerals in their teeth showed only a few had been born in Africa, while most had likely been born into slavery in Charleston or nearby.
Scientists also coaxed DNA from the centuries-old skeletons — drilling small samples of bones and teeth, grinding them up into powder, mixing them into a solution and filtering out everything but the human DNA. They were able to get some genetic material for most of the 36 and full genomes for half of them, which were compared with the genetic makeup of people in Africa today.
Results showed that they had ties to many different places along the West African coast, from Gambia to Gabon. They were mostly male, and largely died as adults. Their ages ranged from a child under 3 to a man over 50.
Their DNA showed they were unrelated, aside from one possible mother-child pair.
Researchers also offered DNA tests to 78 African Americans living in the Charleston area today, said La’Sheia Oubré, who led community education for the project. So far, they haven’t found any direct relatives of those buried at Anson Street.
Still, Oubré — who took a DNA test — said she and other community members consider them family.
“They have such a story to tell,” she said. “And because they’re not related to us by blood, it doesn’t mean that it’s not our moral responsibility to take care of them.”
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Since it became possible to sequence DNA from ancient remains, the technology has taken us back to the days of Neanderthals and mammoths.
Some researchers have been using ancient DNA to fill gaps in our more recent history. That includes cases like Charleston as well as the New York African Burial Ground Project, which revealed new details about Africans and their descendants in 18th century Manhattan.
There aren’t many records for these people from the time, said Michael Blakey, an anthropologist who served as the scientific director on the New York project.
The records that are available focuses on things like how much enslaved people cost and what kinds of laws were used to control them, he said.
Oubré said it’s been powerful to have DNA reveal some of the “stolen history” of those buried in her city.
“To be able to know all of this, it’s still mind-blowing to me,” Oubré said.
