Her unmarried brother Richard Peirson became a lawyer and landowner. They had seven children, including: Herbert (born 1650), Thomasine (born 1652) Dorothy (born 1659) Arabella (born about 1655), the only one known to have married and had children, who married _her_ first cousin Ralph Whitfield (about 1651--1694). <sep>, Pronoun: her <sep>, A: Dorothy <sep>, B: Arabella