Christian August I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg
Christian August I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg | |
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Portrait by J.S. Wahl | |
| Born | 4 August 1696 |
| Died | 20 January 1754 (aged 57) |
| Noble family | House of Oldenburg |
| Spouse(s) | Frederikke Louise Danneskiold-Samsøe |
| Issue | Frederick Christian I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg |
| Father | Prince Frederick William of Schleswig-Holstein-Sonderburg-Augustenburg |
| Mother | Countess Sophia Amalia of Ahlefeld-Rixingen |
Christian August I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg (4 August 1696 – 20 January 1754) was the duke of Schleswig-Holstein-Sonderburg-Augustenburg, member of a cadet branch of the House of Oldenburg.