Constance of Penthièvre

• Birth: 12 June 1161
• Death: 5 September 1201
• Father: Conan IV of Brittany
• Mother: Margaret of Huntingdon

• Partner: Guy of Thouars
  
• Child: Alix of Thouars Born: 5 September 1201 =>

• Partner: Geoffrey Plantagenet
  Marriage: 1181

Ancestors of Constance of Penthièvre

           /Conan IV of Brittany
 Constance of Penthièvre
           |                     /David I King of Scotland =>
           |          /Henry of Scotland
           |          |          \Maud of Northumbria =>
           \Margaret of Huntingdon
                      |          /William de Warrene =>
                      \Ada de Warrene
                                 \Isabel de Vermandois =>

Descendants of Constance of Penthièvre

• 1 Constance of Penthièvre
= Guy of Thouars
• 2 Alix of Thouars
= Peter I of Brittany
• 3 Yolande of Brittany =>