Frederick William I, Duke of Schleswig-Holstein-Sonderburg-Beck
| Frederick William I, Duke of Schleswig-Holstein-Sonderburg-Beck | |
|---|---|
| Spouse(s) | Marie Antoinette of Sanfré |
| Noble family | House of Oldenburg |
| Father | August, Duke of Schleswig-Holstein-Sonderburg-Beck |
| Mother | Philippa Louisa of Lippe-Buckburg |
| Born | 2 May 1682 |
| Died | 16 June 1719 (aged 37) Francavilla, Sicily |
Frederick William I, Duke of Duke of Schleswig-Holstein-Sonderburg-Beck (2 May 1682 – 16 June 1719) was a son of Duke August and his wife, Philippa Louisa of Lippe-Buckburg. He succeeded his father as Duke of Beck in 1689.
He converted to Roman Catholicism and joined the Army of the Holy Roman Empire. He died of his wounds in the Battle of Francavilla in Sicily in 1719.
Since he had no male heir, he was succeeded as Duke of Beck by his uncle Frederick Louis.
In 1708, he married Marie Antoinette (15.10.1692-1762), the daughter of Count Anthony Emmanuel of Sanfré, in Piedmont. They had two daughters:
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