Frederick I, Elector of Brandenburg

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Frederick I
Frederick I as depicted on the Cadolzburger Altar (by the Meister des Cadolzburger Altars, c. 1425-1430)
Elector of Brandenburg
Reign	30 April 1415 – 20 September 1440
Predecessor	Sigismund of Luxembourg
Successor	Frederick II
Born	(1371-09-21)21 September 1371 Free Imperial City of Nuremberg
Died	20 September 1440(1440-09-20) (aged 68) Cadolzburg Castle, Principality of Ansbach
Spouse	Elisabeth of Bavaria-Landshut ​ ​ (m. 1401)​
Issue	Elisabeth, Duchess of Brzeg-Legnica and Cieszyn John, Margrave of Brandenburg-Kulmbach Cecilia, Duchess of Brunswick-Wolfenbüttel Margaret, Duchess of Mecklenburg Magdalene, Duchess of Brunswick-Lüneburg Frederick II, Elector of Brandenburg Albert III Achilles, Elector of Brandenburg Dorothea, Duchess of Mecklenburg Frederick, Margrave of Brandenburg
House	Hohenzollern
Father	Frederick V, Burgrave of Nuremberg
Mother	Elisabeth of Meissen

Frederick (Middle High German: Friderich,^[1] Standard German: Friedrich; 21 September 1371 – 20 September 1440) was the last Burgrave of Nuremberg from 1397 to 1427 (as Frederick VI), Margrave of Brandenburg-Ansbach from 1398, Margrave of Brandenburg-Kulmbach from 1420, and Elector of Brandenburg (as Frederick I) from 1415 until his death. He became the first member of the House of Hohenzollern to rule the Margraviate of Brandenburg.