| Leopold IV | |||||
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 Leopold IV in the 19th century | |||||
| Duke of Anhalt | |||||
| Reign | 9 August 1817 – 22 May 1871 | ||||
| Predecessor | Anhalt unified | ||||
| Successor | Frederick I | ||||
| Born | 1 October 1794 Dessau, Anhalt | ||||
| Died | 22 May 1871 (aged 76) Dessau, Anhalt | ||||
| Spouse | Princess Frederica of Prussia | ||||
| Issue among others... |
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| House | Ascania | ||||
| Father | Frederick, Hereditary Prince of Anhalt-Dessau | ||||
| Mother | Landgravine Amalie of Hesse-Homburg | ||||
Leopold IV Frederick, Duke of Anhalt (1 October 1794 – 22 May 1871) was a German prince of the House of Ascania.
From 1817 until 1853 he was ruler of the duchy of Anhalt-Dessau and from 1847 until 1853 also ruler of the duchy of Anhalt-Köthen. From 1853 until 1863 he was the ruler of the joined duchy of Anhalt-Dessau-Köthen and from 1863 the first ruler of the united duchy of Anhalt.