Bernard I Duke of Saxony
Bernard I Duke of was born about 0974.

 Hildegarde Von Stade
Hildegarde was born in 0978.  She died at the age of 33 on October 3rd, 1011.

 Bernard II Duke of Saxony
Bernard II Duke of was born in 1002 in Luneburg,Saxony.  He died at the age of 57 on June 29th, 1059.