Frederick II, Duke of Swabia

Frederick II the One-Eyed
Duke of Swabia
Frederick II with his coat of arms, illustration of Rauchbeinchronik manuscript, created c. 1600
Reign1105 - 6 April 1147
PredecessorFrederick I, Duke of Swabia
SuccessorFrederick III, Duke of Swabia
Born1090
Died(1147-04-06)6 April 1147
Alzey, Rhenish Franconia
BuriedWalburg Abbey
Noble familyHohenstaufen
Spouse(s)
Issue
FatherFrederick I, Duke of Swabia
MotherAgnes 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.