Bertha, daughter of Eudo, count of Blois

Events 

Date of Birth: about 1020.

Place of Birth: unknown.

The estimated date is given by Livingstone.

Date of Death: 1084.

Place of Death: unknown.

The date is given by the Complete Peerage (10:780).

Relationships

Father: Eudo II, count of Blois.

This relationship is given by the Complete Peerage (10:780), by Morin, and by Everard (p. xv). 

Mother: Ermengarde of Auvergne.

Spouse: Alan III, duke of Brittany.

This relationship is given by the Complete Peerage (10:780), by Morin, and by Everard (p. xv).

Spouse: Hugh IV of Maine.

This relationship is given by Morin and by Livingstone.

Children (with Alan): 

(Complete source citations for facts about the children on this page are currently outside of the scope of this project.)

Conan II (born about 1033 - died 1106), count of Rennes.

Hawise married Hoël I, duke of Brittany.

Children (with Hugh): 

Herbert II, count of Maine.

Margaret.

References

Cokayne, George Edward, and Vicary Gibbs; et al. The complete peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, extant, extinct, or dormant [2nd ed.]. (London: St. Catherine Press, 1910-59).

Everard, J.A. Brittany and the Angevins: Province and Empire 1158-1203 (Cambridge U.P., 2000).

Livingstone, Amy. “Pious Women in a ‘Den of Scorpions’: The Piety and Patronage of the Eleventh-Century Countesses of Brittany” in Historical Reflections v. 43, no. 1 (Spring, 2017).

Morin, Stéphane. Trégor, Goëlo, Penthièvre: Le pouvoir des Comtes de Bretagne du XIe au XIIIe siècle. (Presses universitaires de Rennes, 2010).