William Henry William Henry Clark III was born into a legendary legal family going back to his great-grandfather William Clark. He passed away Saturday, March 17 2012 after a long battle with Alzheimer's disease at his home in Dallas Mr. Clark was born Dec. 11, 1930, to William H. and Martha Harral Clark in Dallas. He graduated from a boy's school which is now St. Mark's School of Texas in Dallas in 1948. His first year in college was in Massachusetts at Amherst. In his sophomore year, being a Texan, he came home and enrolled at the University of Texas where he graduated with a bachelor's degree and a law degree in 1955. He married Anne Kerbey Wiliams, the mother of his three children. Immediately after law school. Mr. Clark work in the attorney general's office in Austin before coming back to Dallas in the late 1950s. He came home to join the family firm that his great-grandfather founded in the 1880s. He served as a chairman of the Dallas County Democratic Party and had a seat on many boards such as the Dallas Museum of Art. He was a member of Brook Hollow Golf Club and the Dallas Country Club, the City Club and the Dallas Petroleum Club. He is survived by his wife, Elloine Sinclair Clark; sons, William Henry Clark IV, James Littlefield Clark; daughter Kimberly Anne Clark; grandchildren William Henry Clark and Christina Marie Clark and their mother, Dana Richter Clark; brother Whitfield Harral Clark; sister-in-law Ann Clark Buller; and cousin Elizabeth Reagor Murray.