The Custis children’s names were absent for good reason: They were not blood-related to George Washington at all. They would appear on a separate family tree only for the Custis family, into ...

The research team used Y chromosome DNA to study the paternal relationships in the Washington family tree. A new method of sequencing genetic data allowed the team to study nearly 100,000 single ...

DNA analysis of unmarked remains has shed light on a long-standing mystery surrounding the fates of President George Washington’s younger brother Samuel and his kin.

An investigation at a cemetery uncovered skeletal remains belonging to some of George Washington’s relatives. The remains of Washington’s family members were located in unmarked graves. In ...

But unlike George Washington, who is interred in a ... when marriages between relatives shortens the number of ancestors — caused by multiple cross-cousin marriages in the Washington family tree.