| | Neil II de St Sauveur 966–1045 | | |
| | Heloise de Guines 958–1002 Geoffrey de Brienne 953–1015 | | |
| | Elstrude of Flanders 932–964 Siegfried “The Dane” de Guines 905–965 | | |
| | Arnulf I “The Great” of Flanders 886–965 Alix de Vermandois 910–960 | | | | Baldwin II “the Bald” of Flanders 863–918 Ethelswitha of Wessex –929 | | | | Baldwin I “Iron Arm” of Flanders 837–879 Judith of West Francia 839–870 | | | | Odescer of Harlebeck –864 | | |
| | | Charles II “The Bald” … Holy Roman Emperor 823–877 Ermentrude d'Orleans 830–869 | | |
|
|
| | | Alfred “The Great” … King of the Anglo-Saxons 847–899 Ealhswith of the Gaini 852–905 | | | | Aethelwulf … King of Wessex 795–858 Osburga of the Isle of Wight 810–846 | | |
| | | Aethelred Mucil of the Gaini 825–866 Eadburh Fadburn of Mercia 830– | | |
|
|
|
|
| | | Herbert II de Vermandois 884–943 Hildebrande de France 895–931 | | | | Herbert I de Vermandois 845–905 | | | | Pepin II de Vermandois 817–892 Rothaide de Bobbio 812–858 | | |
| | | Widerich I de Morvois 820–866 | | |
|
|
| | | Robert I King of West Francia 860–923 Beatrice de Vermandois 880–931 | | | | Robert IV “The Strong” of the Franks 820–866 Adelaide de Tours 815–866 | | |
| | | Herbert I de Vermandois 845–905 | | |
|
|
|
|
|
|
