death_date death_place birth_place profession office birth_date term_start image article_title term_end name
1731 philadelphia , pennsylvania krefeld , germany politician , merchant representative , pennsylvania provincial assembly c 1649 1689 inscription pistorius monument.jpg abraham op den graeff
 1692 abraham op den graeff
abraham op den graeff

abraham isacks op den graeff -lrb- c. 1649 -- 1731 -rrb- was an original settler of germantown , pennsylvania , as well as a politician , award-winning merchant , and signer of the first organized religious protest against slavery in colonial america .
he was a subject of john greenleaf whittier 's poem `` the pennsylvania pilgrim '' .
