Alan IV Fergant Duke of Brittany

• Birth: about 1063
• Death: 13 October 1119

• Partner: Ermengarde of Anjou
  
• * Child: Conan III of Cornouaille ⇒
• * Child: Hawise Fergant ⇒
* Our research indicates that this child is Janet's ancestor.

Descendants of Alan IV Fergant Duke of Brittany

• 1 Alan IV Fergant Duke of Brittany
= Ermengarde of Anjou
• 2 Conan III of Cornouaille
= Maud FitzRoy Marriage: before 1113
• 3 Bertha of Cornouaille ⇒
• 3 Constance of Cornouaille
• 3 Hoel of Cornouaille
• 2 Hawise Fergant
= Geoffrey de Porhoët
• 3 Eudo la Zouche
• 3 Alan la Zouche ⇒