I Herbert
I was born in 0850 in Vermandois, Normandy, France.  I is no longer alive.

 Bertha de Morvois
Bertha was born in 0862 in France.

 Beatrice de Vermandois
Beatrice was born about 0880 in Vermandois, France.  She died after March 0931.

 II Herbert
II was born in 0880 in Vermandois, Normandy.  He died in St. Quentin.