Alan IV Fergant, duke of Brittany

Count of Nantes

Count of Rennes

Events 

Date of Birth: unknown.

Place of Birth: unknown.

A estimated date in the early 1060s is usually given.

Date of Death: 13 October 1119.

Place of Death: Redon.

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

Relationships

Father: Hoël I, duke of Brittany.

Mother: Hawise, daughter of Alan III, count of Rennes.

These relationships are given by the Complete Peerage (10:780) and by Everard (p. xv, p. 28).

Spouse: Constance, daughter of William the Conqueror. Married in 1087.

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

Spouse: Ermengarde of Anjou. 

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

Children (with Ermengarde): 

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

Conan III, duke of Brittany (died 17 September 1148) married Maud, an illegitimate daughter of Henry I of England.

Geoffrey.

Hawise married Baldwin VII, count of Flanders, about 1101 (dissolved on the grounds of consanguinity); married Geoffrey, vicomte of Porhoët. 

Children (illegitimate): 

Brian fitz Count (about 1090 - about 1149) married Matilda, lady of Wallingford.

Guihomar.

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).

King, Edmund. “Brian fitz Count (c. 1090 - c.1149)” in The Oxford Dictionary of National Biography (2004).