Marriage
| Date | 9 September 1075 |
| Place | Alençon, Orne, Basse-Normandie, France |
References
- Montgomery D'Belleme de Talvas, Robert de II 3rd Earl of ShrewsburyTalvas (Primary)
- Ponthieu, Agnes de 'Heiress of Montreuil and Panthieu' (Primary)
- Family of Montgomery D'Belleme de Talvas, Robert de II 3rd Earl of ShrewsburyTalvas and Ponthieu, Agnes de 'Heiress of Montreuil and Panthieu' (Family)