| Person | Spouse | Relationship | Most recent common ancestor(s) |
|---|---|---|---|
| Robert de Courtenay | Maud FitzUrse | Half 2nd cousins once removed | Henry I of Normandy |
| Alice FitzDuncan | Half 4th cousins |
Arlette de Falaise |
| Person | Spouse | Relationship | Most recent common ancestor(s) |
|---|---|---|---|
| Robert de Courtenay | Maud FitzUrse | Half 2nd cousins once removed | Henry I of Normandy |
| Alice FitzDuncan | Half 4th cousins |
Arlette de Falaise |