Frederick I, Duke of Swabia
Frederick I before 21 July was Duke of Swabia from 1079 to his death, the first ruler from the House of Hohenstaufen. Wikipedia
Born: 1050
Died: July 21, 1105 (age 55 years)
Grandchildren: Frederick Barbarossa, Conrad, Count Palatine of the Rhine, Frederick IV, Duke of Swabia, and more
Grandparents: Otto II, Duke of Swabia and Friedrich
Parents: Frederick of Büren and Hildegard von Egisheim
Spouse: Agnes of Waiblingen (m. ?–1105)
Children: Frederick II, Duke of Swabia, Conrad III of Germany, Heilika von Staufen, and more