On 5 Oct 1714 when Jacobus was 22, he married
Gieletjen Gerrits Van Nieuwkirk, daughter of
Cornelius Gerrits Van Nieuwkirk (ca 1662-ca 1695) &
Jannetje Jansdochter Kunst (ca 1664-), in Kingston, Ulster County, New York.
Born ca 1691 in Hurley, Ulster County, New York. Gieletjen Gerrits was baptized in Hurley, Ulster County, New York, on 5 Nov 1691. Gieletjen Gerrits died aft 13 Jun 1749.