Herbert I de Vermandois, Count - Pedigree | FamilyCentral
 Abt 840 - Abt 902
 817/18 - Aft 840
 797 - 17 Apr 818
  - Abt 835
 Apr 773 - 8 Jul 810
Family Group
 2 Apr 742 - 28 Jan 813/14
 Abt 757 - 30 Apr 783
Family Group
  Children
    1.
Living
2.
H ... de Vermandois, Count