_David ALEXANDER _________ | _James ALEXANDER _____| | (1691 - 1756) m 1721 | | |__________________________ | _William ALEXANDER __| | (1726 - 1783) m 1747| | | _John SPRATT _____________ | | | | |_Mary SPRATT _________| | (1693 - 1760) m 1721 | | |_Maria DE PEYSTER ________+ | (1659 - 1700) | |--Mary ALEXANDER | (1749 - 1820) | _Robert LIVINGSTON _______+ | | (1654 - 1728) | _Philip LIVINGSTON ___| | | (1686 - 1748) m 1708 | | | |_Alida SCHUYLER __________+ | | (1655 - 1727) |_Sara LIVINGSTON ____| (1725 - 1805) m 1747| | _Pieter VAN BRUGH ________+ | | (1666 - 1740) m 1688 |_Catherine VAN BRUGH _| (1689 - 1756) m 1708 | |_Sarah Hendrickse CUYLER _+ (1666 - 1742) m 1688