Joseph Matthäus Ball (May 24, 1649 — July 11, 1711) is the grandfather of President George Washington and eldest son of John Washington and Anne Pope Washington. The Ball family line connects to George Washington through his maternal lineage. Joseph Ball was the father to George Washington's Mother, Mary Ball Washington. Col. Joseph Ball signed a will on 25 Jun 1711 in Lancaster Co., VA. in which he named step daughter, Elizabeth Johnson, 100 A. of land for life this is used for proof of marriage in this source. He had an estate probated on 11 Jul 1711 in Lancaster Co., VA.