Nielsen Hayden genealogy
Descendants of Amadeus I
1100 - 1178 (78 years)Father: Aimon I (Abt 1050 - Bef 1128)
Mother: Ita
Amadeus I (1100 - 26 Jun 1178)
Matilda of Cuiseaux ( - 2 Jul 1137)
:   └─ William I of Geneva (1130 - 25 Jul 1195)
:    + Agnes of Savoy ( - Bef 1172)
:    Beatrice de Faucigny ( - Between 1174 and 1179)(m. Aft 1172)
:       ├─ Margaret of Geneva ( - 13 Apr 1236)
:       │ Tomaso I (20 Mar 1177 Charbonnieres Castle, Savoy - 20 Jan 1233 Aosta, Savoy)(m. May 1195)
:       │    │ + Raymond Berenger (Abt 1195 - 19 Aug 1245 Aix-en-Provence, Bouches-du-Rhône, France)(m. 5 Dec 1220)
:       │    │ + Béatrix di Fiesco ( - 15 Jul 1283)
:       │    └─ Amedee of Savoy (1197 - 24 Jun 1253 Montmelian, Savoie, Rhône-Alpes, France) =>
:       │     + Marguerite of Burgundy (1192 - 1242)(m. 1222)
:       └─ William II of Geneva ( - 25 Nov 1252)
:        Alice (m. 1220)
:            + Marguerite de Coligny
(Unknown second wife of Amadeus I of Geneva) ( - Aft 1169)(m. Between 1137 and 1147)
   └─ (Unknown daughter of Amadeus I of Geneva) ( - Aft 1234)
    Ebel de Grandison (Abt 1144 - Between 1235 and 1236)
       └─ Pierre de Grandison (Abt 1186 - 1258)
        Agnès de Neufchâtel (Between 1207 and 1209 - Aft 15 Apr 1283 bur.Priory Church of Saint-Jean Baptiste,
        Grandson, Jura-Nord Vaudois, Vaud, Switzerland)(m. Abt 1225)
        Grandson, Jura-Nord Vaudois, Vaud, Switzerland)(m. Abt 1225)
           └─ William de Grandison (Between 1250 and 1251 -
            27 Jun 1335 bur.Dore Abbey, Herefordshire, England) =>
            27 Jun 1335 bur.Dore Abbey, Herefordshire, England) =>
            + Sibyl de Tregoz (Abt 1272 - 21 Oct 1334 Dore, Herefordshire, England)(m. Bef 1286)