Herbert
Herbert was born in 1045 in Vermandois, France.  He died at the age of 35 in 1080.

 Adela De Valois
Adela was born about 1032 in Valois, Bretagne, France.  She died about 1080.

 Eudes de Vermandois
Eudes was born about 1060.

 Adelaide De Vermandois
Adelaide was born about 1062 in Marquis of Savona Vasto.  She died on September 28th, 1124 in Vermandois, France.