Nielsen Hayden genealogy
Descendants of Reginald de St. Valéry
- Aft 1147Father: Bernard de St. Valéry ( - Aft 1095)
Reginald de St. Valéry (of Tetbury, Gloucestershire, England - Aft 1147)
   └─ Bernard de St. Valéry (of Hinton Waldrist, Berkshire, England - 1190)
    Matilda ( - Abt 1151)
    :   └─ Maud de St. Valéry (Abt 1150 - 1210 Windsor, Berkshire, England)
    :    William de Briouze (of Briouze, Normandy, France - 9 Aug 1211 Corbeil, near Paris, France)
    :       ├─ William de Briouze ( - 1210 Windsor, Berkshire, England) =>
    :       │ + Maud de Clare ( - 1213)(m. Bef 1198)
    :       ├─ Reynold de Briouze (of Abergavenny, Monmouthshire, Wales - Between 1227 and 1228) =>
    :       │ + Grace Briwerre ( - Bef 1215)
    :       │ + Gwladus Ddu ( - 1251 Windsor, Berkshire, England)(m. 1215)
    :       │ + William de Beauchamp (of Elmley Castle, Worcestershire, England - 1197 Normandy, France)
    :       ├─ Matilda de Briouze ( - 29 Dec 1210 Llanbardarn Fawr, Ceredigion, Wales) =>
    :       │ + Gruffudd ab Yr Arglwydd Rhys ( - 25 Jul 1201 Strata Florida Abbey, Ceredigion, Wales)
    :       └─ Margaret de Briouze (Abt 1181 - Aft 25 Jun 1245) =>
    :        + Walter de Lacy (Abt 1172 - Bef 24 Feb 1240)(m. Bef 19 Nov 1200)
    Eleanor de Domnart
       └─ Thomas de St. Valéry ( - 1219)
        Adele de Ponthieu
            + Robert III "Gasteblé" of Dreux (1185 - 3 Mar 1234)(m. 1210)