Through genetics, researchers track ancestors of unknown enslaved people in Maryland
Genetic researchers and historians say the DNA of 27 people who were enslaved in Frederick, Md., before the Civil War indicates..
NPR
Frederick is a city in, and the county seat of, Frederick County, Maryland, United States. Frederick's population was 78,171 people as of the 2020 census, making it the second-largest incorporated city in Maryland behind Baltimore. It is a part of the Washington metropolitan area and the greater Washington–Baltimore combined statistical area.
Genetic researchers and historians say the DNA of 27 people who were enslaved in Frederick, Md., before the Civil War indicates..