Nielsen Hayden genealogy
Descendants of Mathilde of Porhoët
- Bef 1231Father: Eudon Fitz Count ( - 1231)
Mother: Marguerite
Mathilde of Porhoët ( - Bef 1231)
Geoffroi de Fougères ( - 1212 bur.Savigny Abbey, Normandy, France)
   └─ Raoul de Fougères ( - 24 Feb 1256 bur.Savigny Abbey, Normandy, France)
    Isabel de Craon (Aft 1223 - Aft 15 Jan 1275)(m. Feb 1234)
       └─ Jeanne de Fougères ( - Aft 18 Jun 1273 bur.Sauvigny, Meuse, France)
        Hugh XII de Lusignan ( - Aft 25 Aug 1270)(m. 29 Jan 1254 Fougères, Brittany, France)
           └─ Joan de la Marche ( - Bef 18 Apr 1323 bur.Abbey of Valence, Vienne, Poitou-Charentes, France) =>
            + Peter de Geneville (of Ludlow, Shropshire, England - Bef 8 Jun 1292)(m. Bef 11 Oct 1283)