Williams committed suicide on August 11, 2014 at his home in Paradise Cay, California. He was 63, reported the New York Times.
Court documents filed in December and January outline a bitter disagreement between the widow, Susan Schneider Williams and his children Zak, Zelda and Cody Williams.
His memorabilia that include his clothing, personal photographs, bicycles and collections of fossils and toys are also at stake.