Thetbaldi Count Of Chartres
Thetbaldi Count Of was born about 0840.  He died before 0871.

 De Vermandois
De Vermandois was born about 0844 in Vermandois, Normandy, France.  De Vermandois is no longer alive.

 De Chartres
De was born in 0860 in Vermandois, Normandy, France.