Frederick II, Duke of Swabia

Frederick II the One-Eyed
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)	Agnes of Saarbrücken; Judith of Bavaria;
Issue	Frederick I, Holy Roman Emperor; Bertha of Lorraine; Judith of Hohenstaufen; Conrad of Hohenstaufen; Dietrich (illegitimate);
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.