Herbert de Vermandois
Herbert was born in 0848 in Vermandois, Neustria.  He died at the age of 54 in 0902.

 Beatrice de Morvois
Beatrice was born about 0862.  She died about 0904.

 Beatrix de Vermandois
Beatrix was born about 0880 in Vermandois, Normandy, France.  She died after March 0930.

 de Vermandois
de Vermandois was born about 0882 in Saint-Quinton, Vermandois, France.  She died on December 12th, 0949.