Alain IV "Fergant" DE CORNOUAÏLLE, Duc de Bretagne
(-1119)
Ermengarde D' ANJOU
(Abt 1068-1146)
Henri I 'Beauclerc', King of England
(Abt 1068-1135)
Unnamed Mistress
(-)
Duc Conan III "Le Gros" DE BRETAGNE
(-1148)
Matilda FITZ HENRY
(-Aft 1128)
Constance DE BRETAGNE
(-1148)

 

Family Links

Spouses/Children:
Geoffroy III DE MAYENNE

Constance DE BRETAGNE

  • Born: Nantes, Loire-Atlantique, Anjou/Pays-de-la-Loire, France
  • Married:
  • Died: 1148

  Research Notes:

Constance is shown in Europäische Stammtafeln as the younger daughter of Duke Conan III, died 1148. The primary source which confirms her parentage and marriage has not yet been identified.... 1

  Marriage Information:

Constance married Seigneur Geoffroy III DE MAYENNE, son of Seigneur Juhel I DE MAYENNE and Clémence DE PONTHIEU. (Geoffroy III DE MAYENNE died on 18 Feb or 25 Jul 1169.)

Sources


1 Foundation for Medieval Genealogy, Medlands: Constance de Bretagne.


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