Duke Frederick I Von Hohenstaufen

Frederick I was born about 1050 in Bavaria.  Frederick I's father was Graff Frederick Von Buren and his mother was Hildegarde Von Hohenlohe.  His paternal grandfather was Frederick Van Buren; his maternal grandfather was Duke Otto II Swabia.  He was an only child.  He died on April 6th, 1105.

‌Frederick I and Agnes were married in a religious ceremony in 1089.  They had a son named Frederick II.