Geoffroi III Vicomte De Chateaudun
Geoffroi III Vicomte was born about 1005.  He died after December 15th, 1031.

 Elensie or Helvide Comtesse De Montagne
Elensie or Helvide Comtesse was born in 1007.  She died at the age of 16 on April 4th, 1023.

 Routrou I Vicomte De De Chateaudun
Routrou I Vicomte De was born about 1023 in France.  He died in 1074.