 
| Type | Valeur | 
|---|---|
| Titre | The Domesday Book Online: Lacy, Walter de | 
| Personnes | 
|---|
|  Walter de Lacy | 
| Lacy, Walter de - From Lassy, Calvados. Western lands made him an important defender against Welsh. Helped crush rebellion of Earl William FitzOsbern's son, Roger; died 1085. Succeeded by son Roger. |