William II was Landgrave of Lower Hesse from 1493 and Landgrave of Upper Hesse after the death of his cousin, William III, Landgrave of Upper Hesse in 1500. Wikipedia
Born: April 29, 1469
Died: July 11, 1509 (age 40 years)
Spouse: Anna of Mecklenburg-Schwerin (m. 1500–1509)
Great-grandparents: Frederick I, Elector of Saxony, Catherine of Brunswick-Lüneburg, and Margaret of Hohenzollern-Nuremberg
Parents: Louis II, Landgrave of Lower Hesse