Havoise Rennes de Bretagne, Duchess regnant of Brittany, was born circa 1027 to Alain III de Bretagne (997-1040) and Bertha de Blois (?-bef1085) and died 1072 of unspecified causes. She married Hoël de Cornouaille (c1027-1084) before 1058 JL . Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899). Ancestors are from France, the United Kingdom, Germany, Belgium.


Offspring of Havoise de Bretagne and Hoël de Cornouaille (c1027-1084)
Name Birth Death Joined with
Alain Fergent de Bretagne (c1060-1119) 1060 13 October 1119 Constance of Normandy (c1066-1090)
Ermengarde d'Anjou (c1068-1146)

Mathias II de Nantes (c1062-1103) 1062 1103
Eudon de Cornouaille (?-?)
Adèle de Cornouaille (aft1058-1152) 1058 14 October 1152
Havoise de Cornouaille (?-?)
Hildeberge de Cornouaille
Benedict de Cornouaille


Common ancestors of Havoise de Bretagne (1027-1072) and Hoël de Cornouaille (c1027-1084)

  1. Richilde du Maine (892-922)

Footnotes (including sources)