Frederick William III, Duke of Schleswig-Holstein-Sonderburg-Beck, Date of Birth, Date of Death
TweetFrederick William III, Duke of Schleswig-Holstein-Sonderburg-Beck
Duke of Sleeswijk-Holstein-Sonderburg-Beck
Date of Birth: 
About Frederick William III, Duke of Schleswig-Holstein-Sonderburg-Beck
- Frederick William III, Duke of Schleswig-Holstein-Sonderburg-Beck (4 November 1723 – 6 May 1757) was a son of Frederick William II and his wife, Ursula Anna of Dohna.
- He succeeded his father as Duke of Beck in 1749. Frederick William was a recipient of the Order of the Red Eagle.
- He served as a colonel in the Prussian Army and was commander of the Füsilier Regiments No.
- 46 (Old-Württemberg).
- During the Seven Years' War, he fell in the Battle of Prague in 1757.
- He was unmarried and childless; he was succeed as Duke of Beck by his uncle Charles Louis.
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