mathman on Family Tree Circles

Looking for the parents of Isaac UPDEGRAFF. he was born about 1780 in PA. Married Mary SCHNEIDER before 1801. Had several children: Adam, Elizabeth, Isaac, Thomas, Caspar (b. 7-13-1801), John (b. abt 1807), Lydia (b. abt 1816) and Sarah (b. 9-22-1822).

His father might have been Isaac UPDEGRAFF/UPDEGROVE. This family does descend from the Op Den Graef, just can't find the thread.