Nielsen Hayden genealogy
Descendants of Agnes of Savoy
Father: Umberto II of Savoy ( - 14 Oct 1103)
Mother: Gisela of Burgundy (Abt 1070 - Aft 1133)
Agnes of Savoy
Archambaud VII de Bourbon (Abt 1115 - 1173)(m. Bef 24 Jan 1140)
   └─ Archambaud VIII de Bourbon (29 Jun 1140 - 26 Jul 1169)
    Alix of Burgundy (1146 - 1192 FontĂ©vrault Abbey, near Chinon, Anjou, France)(m. Abt 1164)
       └─ Mahaut I de Bourbon (Abt 1166 - 18 Jun 1228)
        Guy II de Dampierre (Abt 1160 - 18 Jan 1216 bur.Abbey of St. Laumer, Blois, Loir-et-Cher, France)
           ├─ Marie de Dampierre-sur-l'Aube ( - Bef Nov 1245) =>
           │ + HervĂ© III ( - 5 Nov 1219 Damietta, Egypt)(m. Abt 1210)
           │ + Beatrix de Montlucon
           │ + Guigone de Forez (m. 1205)
            + Margaret II of Flanders (Abt 1202 - 10 Feb 1280 bur.Abbey of Flines, Flines-lez-Raches, Hauts-de-
            France, France)(m. Between 18 Aug 1223 and 15 Nov 1223)
            France, France)(m. Between 18 Aug 1223 and 15 Nov 1223)