Frederick I, of the Hohenzollern dynasty, was Elector of Brandenburg and Duke of Prussia in personal union. The latter function he upgraded to royalty, becoming the first King in Prussia. From 1707 he was in personal union the sovereign prince of... Wikipedia
Born: July 11, 1657, Königsberg
Died: February 25, 1713 (age 55 years), Berlin, Germany
Spouse: Sophia Louise of Mecklenburg-Schwerin (m. 1708–1713), Sophia Charlotte of Hanover (m. 1684–1705), and Elisabeth Henriette of Hesse-Kassel (m. 1679–1683)
Full name: Frederick I
Organizations founded: Academy of Arts, Prussian Academy of Sciences, and Prussian Academy of Arts