Nielsen Hayden genealogy
Descendants of William IV of Burgundy
1095 - 1155 (~ 61 years)Father: Stephen I of Burgundy (1065 - 1102 Anatolia)
Mother: Beatrix
William IV of Burgundy (Between 1094 and 1095 - 1155)
   ├─ Stephen II of Burgundy ( - Aft 21 Jul 1173)
   │ Judith de Lorraine
   │    └─ Stephen III of Burgundy (Abt 1172 - 16 Mar 1241)
   │     Beatrix ( - 1227)
   │         + Mauhaud of Burgundy (Abt 1190 - 26 Mar 1242)(m. Jan 1214)
   └─ Gerard I of Burgundy (1125 - 14 Sep 1184)
    Guyonne de Salins ( - Aft 1200)(m. Abt 1160)
       └─ Beatrice de Mâcon ( - Bef 8 Apr 1230 Champagne-et-Fontaine, Aquitaine, France)
        St. Umberto (Abt 4 Aug 1136 - 4 Mar 1189)(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)