Research Notes:
DNA [1]
[1] The family tree of a person who has a DNA match to Robert shows a lineage to Joseph King (spouse of Marcy Nicholson), child of Harmanus King and Mary Greijn, descent: Joseph King (spouse of Mary Simcock), Achsah King (spouse of Samuel Ireton), Vashti Ireton (spouse of Samuel Wyckoff), Joseph Wykoff (spouse of Eleanor Hankerson), Vashti Wycoff (spouse of John Longstreet), Mary Longstreet (spouse of George Cooper), Notie Viola Cooper (spouse of George Groves), Velma Groves.