Represented in the NY and NJ Societies. Began his service in the Revolutionary War as Captain in the 1st Regiment New York Line on 1 Jul 1775. Served as Aide de Camp to General Montgomery. Killed 31 Dec 1775 at the Battle for Quebec. [Sources: M; H; (98). Pic: Painting of Jacob on left dead or dying in the painting “Death of Montgomery” by Jonathan Trumbull.]