"Frederick of B\u00FCren" . "Duke of Swabia" . . "Duke Frederick I of Swabia" . . "Frederick of Hohenstaufen" . . . . . "Friedrich" . . . . . "Frederick I, Duke of Swabia" . "Frederick I
of Swabia" . "Frederick of Swabia" . . "Frederick I of Hohenstaufen" . "1105" . . "Frederick I of Swabia" . . "Frederick I" . . . . "Frederick" . . . "Frederick I, Duke of Swabia" . . . . . "Frederick I, Duke of Swabia" . "Frederick of Stauf" .