Wilhelm (Welf) von Braunschweig und Lüneburg
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Wilhelm (Welf) von Braunschweig und Lüneburg (1535 - 1592)

Wilhelm "der Jüngere, Herzog von Braunschweig in Lüneburg" von Braunschweig und Lüneburg formerly Welf
Born [location unknown]
Ancestors ancestors
Brother of
Husband of — married 12 Oct 1561 (to 20 Aug 1592) [location unknown]
Descendants descendants
Died in Cellemap
Profile last modified | Created 22 May 2012
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European Aristocracy
Wilhelm Welf was a member of the aristocracy in Europe.


Wilhelm (1535–1592), called the Younger (German: Wilhelm der Jüngere) was the fourth son of Ernst I, Duke of Brunswick und Luneburg in Luneburg of the house of Welf, and his wife, Sophie von Mecklenburg, and was born 4 July 1535.[1]

He was Duke of Brunswick-Lüneburg and Prince of Lüneburg from 1559 until his death. Until 1569 he ruled together with his brother, Henry of Dannenberg.[2]

On 12 October 1561 he married Dorothea of Denmark (29 June 1546 Kolding–6 January 1617 Winsen), daughter of Christian III King of Denmark and his wife, Dorothea of Sachsen-Lauenburg.

In 1582, William began suffering from fits of insanity. These fits caused his wife to flee him in 1584 for her own safety.

After his death, his wife became regent for their son George.

Family Names

William the Younger was a member of the House of Welf.[3] The Brunswick-Lüneburg name is probably more aptly referred to as a landed title.


  1. Schwennicke, Detlev, ed. 1998. Europäische Stammtafeln. Neue Folge ed. Band I.1. Die f Frankfurt Am Main: Vittorio Klostermann.
  2. Wikipedia—William the Younger, Duke of Brunswick-Lüneburg
  3. Wikipedia—House of Welf

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DNA Connections
It may be possible to confirm family relationships with Wilhelm by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA. However, there are no known yDNA test-takers in his direct paternal line. Mitochondrial DNA test-takers in the direct maternal line:

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Brunswick-Lüneburg-3 and Welf-41 appear to represent the same person because: William the Younger, Duke of Brunswick-Lüneburg, is a member of the House of Welf. Welf would be the more appropriate birth family/last name, whereas Duke of Brunswick-Lüneburg is his landed title, so better listed in the 'Other last names" field, since there it appears as an aka.
posted by Mike French

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Categories: House of Welf