In 1763 Jacob married Rebecca Loring (40731) , daughter of Capt. John Loring (21012) (15 Nov 1715-ca 1759) & Ruth Sturtevant (46752) (28 Apr 1715-Jan 1803).107 Born on 10 Mar 1742 in Plympton, MA.308 Rebecca died in East Bridgewater, MA, on 24 Oct 1782; she was 40.