 1026 - 1059 (33 years)
| 1. Ivo, Vicomte de Cotentin |
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| B: |
1026 |
| P: |
Bellomontensis, Cotentin Manche Normandy, France |
| D: |
22 May 1059 |
| P: |
Contentin, Manche, Basse-Normandie, France |
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| 2. Niel, Vicomte de St. Sauveur II |
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| B: |
980 |
| P: |
Saint-Sauveur-le-Vicomte, Manche, Basse-Normandie, France |
| M: |
1040 |
| P: |
St Sauveur, Puy-de-Dôme, Auvergne, France |
| D: |
1045 |
| P: |
St Michel, Côtes-d'Armor, Bretagne, France |
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| 4. Roger, Vicomte de St Sauveur |
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| B: |
944 |
| P: |
Saint-Sauveur-le-Vicomte, Manche, Basse-Normandie, France |
| M: |
964 |
| P: |
Saint-Sauveur-le-Vicomte, Manche, Basse-Normandie, France |
| D: |
1014 |
| P: |
Saint-Sauveur-le-Vicomte, Manche, Basse-Normandie, France |
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| 8. Nigel, Vicomte de St Sauveur II |
=> |
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| B: |
911 |
| P: |
Saint-Sauveur-le-Vicomte, Manche, Basse-Normandie, France |
| M: |
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| P: |
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| D: |
17 Dec 972 |
| P: |
Saint-Sauveur-le-Vicomte, Manche, Basse-Normandie, France |
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| 9. |
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| 5. Adele Esproita de Bretagne |
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| B: |
Abt 920 |
| P: |
Rouen, Seine-Maritime, Haute-Normandie, France |
| D: |
1057 |
| P: |
Saint-Sauveur-le-Vicomte, Manche, Basse-Normandie, France |
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| 10. |
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| 11. |
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| 3. Adela d'Eu |
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| B: |
985 |
| P: |
Eu, Seine-Maritime, Haute-Normandie, France |
| D: |
1025 |
| P: |
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| 12. |
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| 13. |
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| 7. Lesceline de Harcourt |
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| B: |
970 |
| P: |
Harcourt, Eure, Haute-Normandie, France |
| D: |
26 Jan 1057 |
| P: |
Dives, Calvados, Basse-Normandie, France |
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| 14. |
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| 15. |
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