Career
After William"s administration as Prince-bishop ended during the Livonian War, Riga became a Free City (1561–1581).
After William"s administration as Prince-bishop ended during the Livonian War, Riga became a Free City (1561–1581).
A member of the House of Hohenzollern, Wilhelm was the son of Frederick I, Margrave of Brandenburg-Ansbach, the brother of Albert, Duke of Prussia, and the grandson of Albert III Achilles, Elector of Brandenburg and Casimir IV Jagiellon.