The son of Daniel Parke Custis, a wealthy planter, and Martha Dandridge Custis, he was most likely born at White House, his parents' plantation on the Pamunkey River in New Kent County, Virginia [REF].
Following his father's death in 1757, almost 18,000 acres (73 km²) of land and about 285 enslaved Africans were held in trust for him [REF].