Frederick I of Brandenburg-Prussia
Elector of Brandenburg and Duke of Prussia
Years: 1657 - 1713
Frederick I (German: Friedrich I.)
(11 July 1657 – 25 February 1713), of the Hohenzollern dynasty, is (as Frederick III) Elector of Brandenburg (1688–1713) and Duke of Prussia in personal union (Brandenburg-Prussia).
The latter function he upgrades to royalty, becoming the first King in Prussia (1701–1713).
From 1707, he is in personal union the sovereign prince of the Principality of Neuchâtel (German: Fürstentum Neuenburg).
He is also the grandfather of Frederick the Great.
