Info found on Google - the said Jacob Gibson had by his first wife Elizabeth Caulk one child, Mary Elizabeth (Betsey) Gibson who Married Dr James Tilton of Wilmington Delaware. (His first wife) Dr James Tilton was a Nephew of Dr James Tilton Surgeon of the Continental Army and first Surgeon General U.S.A. The Latter Never Married.
Jacob married Elizabeth Caulk #1 in 1779 in Unknown. (Elizabeth Caulk #1 was born in 1759 in Delaware and died on 20 Oct 1817 in Maryland.)
Jacob next married Rebecca Reynolds #2, daughter of Thomas Reynolds and Frances Holland, in 1789 in Talbot Maryland. (Rebecca Reynolds #2 was born in 1757 in Delaware and died on 8 Jun 1846 in St Michaels Maryland.)