On 3 Dec 1696 Jacob first married
Lydia Peabody (15814) , daughter of
Capt. John Peabody (7964) (ca 1642-5 Jul 1720) &
Hannah Andrews (5932) (ca 1642-25 Dec 1700), in Boxford, MA.
Born 10 Mar 1673/4 in Boxford, MA. Lydia died ca 1708/9.
Jacob and Lydia were first cousins. His mother and her father were siblings.