Frederick married Hildegarde von Swabia about 1045 in Germany. Hildegarde (daughter of Duke of Swabia II Otto) was born about 1024 in Swabia. [Group Sheet] [Family Chart]
Frederick married Adelheid von Filsgau about 1016 in Germany. Adelheid (daughter of Pfalzgraf of Swabia Frederick von Filsgau and Kunigunde von Oehringen) was born about 995; died about 1020. [Group Sheet] [Family Chart]
Frederick married Kunigunde von Oehringen. Kunigunde (daughter of Count of Ohningen Kuno and of Germany Richilde) was born about 980; died about 1005. [Group Sheet] [Family Chart]
Kuno married of Germany Richilde about 983 in Germany. Richilde (daughter of Holy Roman Emperor Otto I "The Great", Duke of Saxony King of Germany and Holy Roman Emperor and Princess of Burgundy Adelaide) was born about 952 in Germany; died in 999. [Group Sheet] [Family Chart]