Frederick VI, Duke of Swabia duke of Swabia (1167–1191) Parents Beatrice I, Countess of Burgundy Frederick Barbarossa Children Siblings Conrad II, Duke of Swabia Henry VI Frederick V, Duke of Swabia Philip of Swabia Otto I, Count of Burgundy Sophie of Hohenstaufen Beatrice Schwäbische Beatrice of Swabia Agnes von Staufen