Wilhelm II, Princely count of Henneberg-Schleusingen
William II of Henneberg-Schleusingen (born: 14 March 1415; died: 8 January 1444, killed in a hunting accident) was the second husband of Catherine of Hanau (born: 25 January 1408; died: 25 September 1460). She was the oldest daughter of Reinhard II, Count of Hanau and his wife Catherine of Nassau-Beilstein and had earlier been married to Count Thomas II of Rieneck. William II and Catherine were engaged on 17 May 1432. She signed away her legal claims against the County of Rieneck in June 1432, in exchange for . From William, she  received a dowry of , which were secured by the district and castle of Mainberg, near Schweinfurt. Princely count William II died after a hunting accident, which happened on the evening of New Year's Day 1444: a wild boar, which he tried to kill with his sword, wounded him so severely that he died a few days later. William and Catherine had the following children: