
| Seigneur (Lord) of Lassy Domaing de Lassy | |
| B: | 920 |
| Bois-l'Évêque, Seine-Maritime, Normandy, France | |
| D: | DECEASED |
| Mrs Dermang de Lasci | |
| B: | 925 |
| Upper Normandy, France | |
| D: | DECEASED |
| Himiltrude de Lassey | |
| B: | 925 |
| Lassy, Calvados, Normandy, France | |
| D: | DECEASED |
| Seigneur (Lord) of Lassy Dorobert de Lassy | |
| B: | 895 |
| Bois-l'Évêque, Seine-Maritime, Normandy, France | |
| D: | DECEASED |
| Mrs. Dorobert de Lassy | |
| B: | Abt 900 |
| France | |
| D: | France |
| Longobert de Lassy | |
| B: | 870 |
| Bois-l'Évêque, Seine-Maritime, Normandy, France | |
| D: | DECEASED |
| Mrs. Longobert de Lassy | |
| B: | Abt 875 |
| France | |
| D: | France |
| Mrs. Aroibel des Francs | |
| B: | Abt 852 |
| France | |
| D: | France |
| Aroibel de Lassy | |
| B: | Abt 850 |
| France | |
| D: | DECEASED |