Nielsen Hayden genealogy
Descendants of Mahaut of Albon
- Aft 1145Father: Guigues VIII of Albon (Between 1050 and 1060 - 1133)
Mother: Matilda
Mahaut of Albon ( - Aft 1145)
Amadeo III (Abt 1095 - 30 Aug 1148 Cyprus)(m. 1123)
   ├─ Agnes of Savoy ( - Bef 1172)
   │ + William I of Geneva (1130 - 25 Jul 1195)
   ├─ Alix of Savoy
   │ Humbert III de Beaujeu (1137 - 1194)(m. Abt 1140)
   │    └─ Humbert IV de Beaujeu ( - 1189)
   │     Agnes de Thiern (m. Abt 1160)
   │         + Sybille de Hainaut (1179 - 1217)(m. 1196)
   ├─ Mafalda of Savoy (Abt 1125 Savoy, Italy - 4 Nov 1157 Coimbra, Portugal)
   │ Affonso I Henriques, King of Portugal (15 Jul 1110 - 6 Dec 1185 Coimbra, Portugal)(m. 1146)
   │    ├─ Urraca of Portugal (Abt 1150 - 16 Oct 1188 Bamba, near Valladolid, Castile, Spain)
   │    │ Fernando II, King of Leon, Galicia, and Extremadura (1137 - 22 Jan 1188 Benavente, Italy)(m. 1165)
   │    │    └─ Alfonso IX, King of León and Galicia (15 Aug 1171 Zamora, León, Spain -
   │    │     24 Sep 1230 Villanueva de Sarria, Spain) =>
   │    │     24 Sep 1230 Villanueva de Sarria, Spain) =>
   │    │     + Aldonza Martinez da Silva
   │    │     + Berenguela I of Castile, Queen Of Castile & Toledo (Abt 1180 - 8 Nov 1246 Las Huelgas, near Burgos,
   │    │     Castile, Spain)(m. Bef 17 Dec 1197 Valladolid, Castile, Spain)
   │    │     Castile, Spain)(m. Bef 17 Dec 1197 Valladolid, Castile, Spain)
   │    └─ Sancho I, King of Portugal (Coimbra, Portugal;11 Nov 1154 - 26 Mar 1211)
   │     Dulce of Barcelona (Abt 1159 - 1 Sep 1198 Coimbra, Portugal)(m. 1174)
   │        ├─ Afonso II, King of Portugal (23 Apr 1185 Coimbra, Portugal - 25 Mar 1223) =>
   │        │ + Urraca of Castile (Between 1186 and 1187 - 3 Nov 1220 Coimbra, Portugal)
   │        └─ Berengaria (Abt 1194 Coimbra, Portugal - 27 Mar 1221 Ringsted, Zealand, Denmark) =>
   │         + Valdemar II Sejr, King of Denmark (28 Jun 1170 - 28 Mar 1241)(m. Between 1213 and 1214)
   └─ St. Umberto (Abt 4 Aug 1136 - 4 Mar 1189)
    Beatrice de Mâcon ( - Bef 8 Apr 1230 Champagne-et-Fontaine, Aquitaine, France)(m. Abt 1175)
       └─ Tomaso I (20 Mar 1177 Charbonnieres Castle, Savoy - 20 Jan 1233 Aosta, Savoy)
        Margaret of Geneva ( - 13 Apr 1236)(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)