Susannah was born about 1655, the daughter of Benois Brashears and Mary Brasheers (mnu). The place is not known.
She died in 1692. The place is not known.
Her husband was Mareen Duvall, who she married in 1673 in Maryland, USA. Their six known children were Susannah (<1677-?), Mareen (1680-1741), Catherine (1682-?), Mary (1683-?), Johanna (1685-?) and Benjamin (1692-?).