Frederick Christian I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg
| Frederick Christian I | |
|---|---|
| Duke of Schleswig-Holstein-Sonderburg-Augustenburg | |
| Reign | 20 January 1754 – 13 November 1794 |
| Predecessor | Christian August |
| Successor | Frederick Christian II |
| Born | 6 April 1721 Augustenborg |
| Died | 13 November 1794 (aged 73) Augustenborg |
| Spouse | Princess Charlotte Amalie Wilhelmine of Schleswig-Holstein-Sonderburg-Plön |
| Issue among others... | Frederick Christian II Charles August, Crown Prince of Sweden |
| House | Oldenburg |
| Father | Christian August, Duke of Schleswig-Holstein-Sonderburg-Augustenburg |
| Mother | Countess Louise Frederikke of Danneskiold-Samsøe |
| Religion | Lutheranism |
Frederick Christian I (German: Friedrich Christian I., Danish: Frederik Christian 1.; 6 April 1721 – 13 November 1794) was Duke of Schleswig-Holstein-Sonderburg-Augustenburg from 1754 to 1794.