| Father | Date of Birth | Mother | Date of Birth |
|---|---|---|---|
Herfast De Crépon |
bef 0960 |
| Partner | Date of Birth | Children |
|---|---|---|
Emma Fitz Arfast D'ivry (De Crépon) |
abt 0995 | 1st Earl of Hereford William Fitzosbern Emma Fitz Osbern (De Vernon) |
| Event Type | Date | Place | Description |
|---|---|---|---|
Birth |
abt 0985 | Plœuc-sur-Lié, Brittany, France | |
Marriage |
1029 | ||
Occupation |
from 1027 to 1040 | Seneschal of Normandy | |
Death |
abt 1040 | Château d'Ivry-la-Bataille, Normandy, France | While protecting Duke William his throat was cut by Guillaume de Montgomery, who in turn was killed in a revenge attack by the Duke's followers. |