Family: Conan IV "La Petit" Duke of Brittany / Margaret (Countess of Hereford) of Huntingdon (F41175)
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Male
Conan IV "La Petit" Duke of Brittany
Birth Death 20 Feb 1170-1171 Burial Marriage Father Alan III (Gregan) The Black 1st Earl of Richmond | F45219 Group Sheet Mother Bertha De Cornouailles of Brittany | F45219 Group Sheet
Female
Margaret (Countess of Hereford) of Huntingdon
Birth Death 1201 Sawtrey Abbey Hants. 
Burial Other Spouse Humphrey (Constable of England) De Bohun | F41176 Marriage Father Henry 2nd Earl of Huntingdon | F40059 Group Sheet Mother Adelaide De Warren | F40059 Group Sheet
Female
Constance Duchess of Brittany
Birth Abt 1161 Death 5 Sep 1201 Nantes, Brittany Burial Villeneuve Abbey, Nantes, Brittany Spouse Geoffrey II Duke of Brittany | F39872 Marriage Jul 1181 Spouse Ranulph (4th Earl of Chester) De Blundeville | F41666 Marriage 3 Feb 1186-1187 Spouse Guy Viscount De Thouars | F41665 Marriage 1199 Angers, Anjou