Nielsen Hayden genealogy
Ancestors of Yolande of Brittany
1218 - 1272 (54 years) ┌── Robert I "le Grande" (Abt 1123 - 11 Oct 1188 bur.Abbey of St. Yved, Braine, France)
│ (m. 1152) =>
┌── Robert II of Dreux and Braine (Abt 1154 - 28 Dec 1218 bur.Abbey of St. Yved, Braine, France)
│ (m. 1184)
│ └── Agnes de Baudement (Abt 1130 - 24 Jul 1204 bur.Abbey of St. Yved, Braine, France)(m. 1152) =>
│
┌── Pierre de Braine (Between 1187 and 1190 - Abt 28 May 1250 At sea)(m. Mar 1213)
│ │
│ │ ┌── Raoul I de Coucy (1134 - Nov 1191 Acre, Palestine) =>
│ └── Yolande de Coucy (1164 - 18 Mar 1222 bur.Abbey of St. Yved, Braine, France)(m. 1184)
│ └── Agnès de Hainault ( - Bef 1174) =>
│
Yolande of Brittany (1218 Dreux, France - 16 Oct 1272 Château Bouteville, Angoumois, France)
│
│ ┌── Geoffroi V of Thouars =>
│ ┌── Guy de Thouars (Abt 1155 - 13 Apr 1213 Chemillé, France)(m. Bef Oct 1199)
│ │ └── Aumur
│ │
└── Alix de Thouars (1201 - 21 Oct 1221 bur.Convent of the Cordeliers, Nantes, Brittany, France)(m. Mar 1213)
│
└── Constance of Brittany (Abt 1162 - 4 Sep 1201 Nantes, Brittany, France)(m. Bef Oct 1199)
└── Margaret of Huntingdon (Abt 1145 - 1201 bur.Sawtrey Abbey, Huntingdonshire, England)
(m. 1160 England) =>