Conan I "Le Tort" DE RENNES Duke of Brittany
Ermengarde D' ANJOU
(Bef 965-After 982)
Richard I "Sans Peur" DE NORMANDIE Count of Normandy
Gunnora D' ARQUES Duchess of Normandy
(Abt 950-1031)
Geoffroi I DE BRETAGNE Duke of Brittany
(Abt 980-1008)
Cte Eudon I DE PENTHIÈVRE Régent de Bretagne
(Abt 999-1078)


Family Links

1. Unknown

4. Unnamed Mistress

Cte Eudon I DE PENTHIÈVRE Régent de Bretagne

  • Born: Abt 999, Penthièvre, Morbihan, Bretagne, France
  • Died: 7 Jan 1078-1079

   General Notes:

GEOFFREY, DUKE OF BRITTANY, married Hawise, daughter of Ric hard I, DUKE OFNORMANDY, and died in 1008, leaving two sons , Alan and Eudon. During their mother's lifetime the two br others seem to have been joint rulers of Brittany, but on h er death, on 21 February 1034, dissensions broke out betwee n them; peace was restored by a settlement under which Eudo n received a territory corresponding roughly to the diocese s of Dol, St. Mialo, St. Brieuc and Tréguier, reduced in th e hands of his successors to the two last-named dioceses, w hile Alan retained the rest of Brittany. After the death o f Alan in 1040 Eudon seized the government of Brittany to t he exclusion of his nephew Conan, who recovered it in 1057 . Eudon died 7 January 1079. He married Orguen, whose paren tage is unknown. [Complete Peerage X:779-81, (transcribed b y Dave Utzinger)]

Note: In the chart on X:781, CP notes that it is unsure i f Orguen was mother of Stephen, although CP mentions no oth er wife. AR does indicate that Stephen was son of Agnes, p robably daughter of Alan Canhiart.

Note: According to the chart on CP:781, Geoffrey had two di fferent sons named Alan, Count of Brittany, Lord of Richmon d: Alan "The Red", dsp. 4 Aug 1089 and Alan "The Black", ds p. 1093. He also had possibly elder sons (Geoffrey, d. 2 4 Aug 1093, & Brian, Count of Brittany, held Cornwall, livi ng 1069) and younger sons (William, Robert, & Richard).

   Marriage Information:

   Marriage Information:

Eudon also married Agnes DE CORNOUAILLE, daughter of Cte Alain III dit "Congnard" DE CORNOUAILLE and Judith DE NANTES. (Agnes DE CORNOUAILLE was born in 1024 in Bretagne, France.)

   Marriage Information:

Eudon also married Orguen DE BRETAGNE. (Orguen DE BRETAGNE was born about 1000 in France and died after 1056.)

   Marriage Information:

Eudon also married Unnamed Mistress. (Unnamed Mistress was born about 1000 in France.)

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