After he was exchanged, he returned home to New Carlisle and continued his law practice. He served two years in the Pennsylvania House of Representatives (1781–1782) and was for many years a trustee of
Dickinson College. He died at home in Carlisle on January 7, 1790. After his death, Marritje returned to New York to live with their son, Robert Van Brunt Magaw, at
Gravesend. ==References==