| Person | Spouse | Relationship | Most recent common ancestor(s) |
|---|---|---|---|
| Ruggero d'Altavilla | Élisabeth (Isabelle) de Blois | 6th cousins once removed | Berengario II d'Ivrea & Willa di Toscana |
| Guillaume III Gouët | William I of Normandie & Mathilde de Flandre |
| Person | Spouse | Relationship | Most recent common ancestor(s) |
|---|---|---|---|
| Ruggero d'Altavilla | Élisabeth (Isabelle) de Blois | 6th cousins once removed | Berengario II d'Ivrea & Willa di Toscana |
| Guillaume III Gouët | William I of Normandie & Mathilde de Flandre |