Dehaven Washburn

Have much info on DeHavens. Would like to find more legal documents. Joel DeHaven b 1818 PA m Christiana Eckler . Settled in Van Buren Co., MI. His father was David DeHaven b 1775 m Sarah Gordon in Abington church, PA - ? Would like to find other researchers and descendants. Joel & Christinia's dau Melinda Dehaven m James Washburn. Any other researchers?