Johann_William,_Count_of_Erbach-Fürstenau
Johann William, Count of Erbach-Fürstenau (13 February 1707 – 1 August 1742), was a member of the German House of Erbach who held the fiefs of Fürstenau, Michelstadt and Breuberg.
Born in Hanau, he was the fourth child and only son of Philipp Charles, Count of Erbach-Fürstenau and his first wife Caroline Amalie, a daughter of Johann Dietrich, Count of Kunowitz.