On 5 May 1763 when Jasper was 24, he married
Reumah Southworth (45226) , daughter of
William Southworth (25931) (ca 1715-26 Sep 1778) &
Mary Fullerton (ca 1719-aft 5 Jun 1761), in Duxbury, MA.
Born on 27 Aug 1742 in Duxbury, MA. Reumah died in Duxbury, MA, on 26 Dec 1828; she was 86.
Reumah, daughter of William and Mary (Fullerton) Southworth.