Frederick I, of the Hohenzollern dynasty, was Elector of Brandenburg (1688–1713) and Duke of Prussia in personal union (Brandenburg–Prussia). The latter function he upgraded to royalty, becoming the first King in Prussia (1701–1713). From 1707 he was also Prince of Neuchâtel.
- Occupation
- politician
- Position held
- King of Prussia, Prince-Elector, Margrave of Brandenburg, Duke of Prussia
- Citizenship
- Germany
- Born
- July 11, 1657
- Died
- February 25, 1713