Frederick I, Elector of Saxony
Frederick I, the Belligerent or the Warlike, a member of the House of Wettin, ruled as Margrave of Meissen from 1407 and Elector of Saxony from 1423 until his death.
He is not to be confused with his cousin Landgrave Frederick IV of Thuringia, the... Wikipedia
Born: April 11, 1370, Dresden, Germany
Died: January 4, 1428 (age 57 years), Altenburg, Germany
Great-grandparents: Frederick I, Margrave of Meissen, Louis IV, Holy Roman Emperor, Beatrice of Silesia, and more
Grandchildren: Ernest, Elector of Saxony, Albert III, Duke of Saxony, Anna of Saxony, Electress of Brandenburg, and more
Spouse: Catherine of Brunswick-Lüneburg (m. 1402)