Frederick II the One-Eyed | |
|---|---|
| Duke of Swabia | |
 Frederick II with his coat of arms, illustration of Rauchbeinchronik manuscript, created c. 1600 | |
| Reign | 1105 - 6 April 1147 |
| Predecessor | Frederick I, Duke of Swabia |
| Successor | Frederick III, Duke of Swabia |
| Born | 1090 |
| Died | 6 April 1147 Alzey, Rhenish Franconia |
| Buried | Walburg Abbey |
| Noble family | Hohenstaufen |
| Spouse(s) |
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| Issue |
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| Father | Frederick I, Duke of Swabia |
| Mother | Agnes of Germany |
Frederick II (German: Friedrich II, 1090 – 6 April 1147), called the One-Eyed (der Einäugige), was Duke of Swabia from 1105 until his death, the second from the Hohenstaufen dynasty. His younger brother Conrad was elected King of the Romans in 1138.