Herbert IV, Count of Vermondois
Herbert IV, Count of Vermondois was born about 1032 in Vermandois, France.  He died in 1080.

 Adela de Vexin
Adela was born about 1037 in Vexin, France.  Adela is no longer alive.

 Eudes de Vermandois
Eudes was born about 1060.

 Adelaide de Vermandois
Adelaide was born about 1062 in Valois, Isle de France, France.  She died on September 28th, 1124 in Vermandois, France.