Wenceslas I
Elector of Saxony, Duke of Saxe-Wittenberg and Prince of Lüneburg
About Wenceslas I
Lived 1337 – 1388 (aged 50–51). Wenceslas I was an aristocrat and prince-Elector.
Wenceslas I, Duke of Saxe-Wittenberg ( – 15 May 1388, in Celle) from the House of Ascania ruled from 1370 to 1388 and was a prince-elector of the Holy Roman Empire as well as Prince of Lüneburg. He was the son of Rudolf I and his 3rd wife, Agnes of Lindow-Ruppin.
Life
In 1370 Wenceslas succeeded his brother Rudolf II. In 1376 he took part, as a prince-elector, in the election of Wenceslas IV of Bohemia as King of Germany and in 1377 stood by Emperor Charles IV in the Altmark. He was frequently active in the affairs of the empire on the side of the emperor. Charles IV granted Albert of Saxe-Wittenberg and his uncle Wenceslas I - and their house - the underlying entitlement to Brunswick and Lüneburg, but the two of them were unsuccessful in claiming this right through the Lüneburg War of Succession. In 1388 Wenceslas finally lost his claim at the battle of Winsen an der Aller.
He was in conflict with the Duke of Brabant over the right to carry the Imperial Sword ahead of the emperor.
He made state peace treaties with Anhalt, Magdeburg and Meißen.
During the siege of Celle Wenceslas died suddenly of a serious illness. Even his contemporaries suspected that he had been administered poison and that that was the cause of death. According to other traditional accounts, he died on 18 August 1402 which has however caused confusion over his grave.
Descendants On 23 January 1376 Wenceslas married Cecilia of Carrara (d. 1435), daughter of Francis of Carrara, Count of Padua. They had the following children: Rudolf III, Duke of Saxe-Wittenberg Wenceslas (died 1402) Erich (died as child) Anna (died 1426) who married Frederick I, Duke of Brunswick-Lüneburg Albert III (died 1422) Elector of Saxony Margaret of Saxony who married Bernhard of Brunswick-Lüneburg
Ancestors
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Important facts
Contemporaries
People whose lives overlapped Wenceslas I's
Frequently asked questions
Who was Wenceslas I?
Elector of Saxony, Duke of Saxe-Wittenberg and Prince of Lüneburg
When was Wenceslas I born?
Wenceslas I was born in 1337 in Lutherstadt Wittenberg.
When did Wenceslas I die?
Wenceslas I died on 15 May 1388 in Celle.
What was Wenceslas I's occupation?
Wenceslas I was an aristocrat and prince-Elector.
Sources & further reading
· DBpedia: Wenceslaus I of Saxe-Wittenberg
Cite this page
APA: Biography.guide. (2026). Wenceslas I. https://biography.guide/wenceslas-i/
MLA: "Wenceslas I." Biography.guide, https://biography.guide/wenceslas-i/.
Chicago: "Wenceslas I." Biography.guide. https://biography.guide/wenceslas-i/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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