Nielsen Hayden genealogy
Bertha of Brittany
Abt 1119 - 1167 (~ 43 years)1. Bertha of Brittany was born about 1119; died between 1162 and 1167. Bertha married Alan III about 1137. Alan (son of Stephen of Brittany and Hawise) was born before 1100; died on 15 Sep 1146 in Brittany, France. [Group Sheet] [Family Chart]
Children:
- 2. Conan IV was born about 1138; died on 20 Feb 1171.
Generation: 2
2. Conan IV (1.Bertha1) was born about 1138; died on 20 Feb 1171. Conan married Margaret of Huntingdon in 1160 in England. Margaret (daughter of Henry of Scotland and Ada de Warenne) was born about 1145; died in 1201; was buried in Sawtrey Abbey, Huntingdonshire, England. [Group Sheet] [Family Chart]
Children:
- 3. Constance of Brittany was born about 1162; died on 4 Sep 1201 in Nantes, Brittany, France.
Generation: 3
3. Constance of Brittany (2.Conan2, 1.Bertha1) was born about 1162; died on 4 Sep 1201 in Nantes, Brittany, France. Constance married Guy de Thouars before Oct 1199. Guy (son of Geoffroi V of Thouars and Aumur) was born about 1155; died on 13 Apr 1213 in Chemillé, France. [Group Sheet] [Family Chart]
Children:
- 4. Alix de Thouars was born in 1201; died on 21 Oct 1221; was buried in Convent of the Cordeliers, Nantes, Brittany, France.
Generation: 4
4. Alix de Thouars (3.Constance3, 2.Conan2, 1.Bertha1) was born in 1201; died on 21 Oct 1221; was buried in Convent of the Cordeliers, Nantes, Brittany, France. Alix married Pierre de Braine in Mar 1213. Pierre (son of Robert II of Dreux and Braine and Yolande de Coucy) was born between 1187 and 1190; died about 28 May 1250 in At sea; was buried in Saint-Yved-de-Braine Abbey, near Laon, France. [Group Sheet] [Family Chart]
Children:
- 5. Jean I was born in 1217; died on 8 Oct 1286.
- 6. Yolande of Brittany was born in 1218 in Dreux, France; died on 16 Oct 1272 in Château Bouteville, Angoumois, France; was buried in Villeneuve near Nantes, Brittany, France.