Helen de Lacy was born circa 1165 in England to John FitzRichard (-1190) and Alice de Mandeville (-c1248) . She married Geoffrey Dutton (c1160-1248) .
Children
| Name | Birth | Death | Joined with |
| Geoffrey de Chedill (c1184-1248) | 1184 England | 1248 England | |
Siblings
| Name | Birth | Death | Joined with |
| Helen de Lacy (c1165-) | 1165 England | Geoffrey Dutton (c1160-1248) | |
| Roger de Lacy (1170-1211) | 1170 | 1170 | Matilda de Clere |
| Eustace de Cester | |||
| Richard de Cester | |||
| Alice de Cester | |||