Henry "The Fat" Count Northeim , Duke of Saxony
Henry "The Fat" Count was born about 1051 in Northeim, Hanover, Germany.  He died on April 10th, 1101 in Bursfelds, Germany (in battle).

 Gertrude von Braunschweig
Gertrude von was born about 1065 in Braunschweig, Brunswick, Germany.  She died on December 9th, 1117.

 Richensa of Northeim
Richensa of was born about 1083 in Northeim, Luxemburg.  She died on June 10th, 1141.

 Gertrude von Northeim
Gertrude von was born about 1089 in Northeim, Luxemburg.