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Odo of Rennes (''Breton: Eozen Penteur'', ''French: Eudes/Éon de Penthièvre'') (999–1079), Count of Penthièvre, was the youngest of the three sons of Duke Geoffrey I of Brittany and Hawise of Normandy, daughter of Richard I of Normandy. Eozen married Agnes of Cornouaille (Orguen Kernev), the daughter of Alan Canhiart, Count of Cornouaille and sister of Hoel II, Duke of Brittany who was married in 1066 to Eozen's niece Hawise, Duchess of Brittany. ==Role in Governance of Brittany== When Eozen's father Duke Geoffrey I died on 20 November 1008, both Eozen and his older brother Alan were minors. Duke Geoffrey had initiated a dynastic double marriage with Richard II, Duke of Normandy by marrying Hawise of Normandy, one of Richard's sisters, in 996; this was followed by the marriage of Geoffrey's sister Judith of Brittany to Richard around the year 1000. Alan and Eozen were thus double-first cousins of Duke Richard II's children, including Richard III, Duke of Normandy and Robert I, Duke of Normandy (William the Conqueror's father), nephews of Emma of Normandy, and first cousins of Emma's children Edward the Confessor, Harthacnut, Goda of England, Gunhilda of Denmark and Alfred Aetheling. At Geoffrey's death, Alan became ''de jure'' Duke, as Alan III, Duke of Brittany, Hawise took on the role of Regent, and Richard asserted the role of Guardian of Brittany, an arrangement reciprocated on the death of Robert I, Duke of Normandy in 1035. Also in 1035, after a dispute between Eozen and Duke Alan III, their uncle Judicaël Bishop of Vannes arbitrated, and Alan III gave Eozen the bishoprics of Saint-Brieuc, Saint-Malo, Tréguier and Dol-de-Bretagne, as well as the counties and baronies of Penthièvre, Goëlo, Avaugour and Lamballe. Eozen placed his capital at Lamballe, where he began issuing coins in his own name. Following the death of his brother Duke Alan III in 1040, Eozen ruled as regent of Brittany in the name of his nephew Conan II, holding Conan in custody. Conan was freed by his supporters in 1047. Eozen's regency should have ended when Conan reached his majority (circa 1054), but Eozen refused to relinquish control of the Duchy. In pursuit of his own wider ambitions, Conan was fighting Geoffrey III, Count of Anjou. Since Geoffrey was also an enemy of Duke William of Normandy, the latter weighed in on Conan's side. In February 1054, as an enemy of Conan's, Eozen fought on the side of King Henry I of France at the Battle of Mortemer against William, but William won. Undaunted, Eozen maintained his alliance with Anjou. In a charter dated to 1056/1060, Eozen ("Eudo") granted land "in pago Belvacensi" (Beauvais, Picardy) to the Abbey of Angers Saint-Aubin (q.v. Albinus of Angers). Witnesses included his wife Orguen and their sons Gausfridus, Alanus Rufus, Willelmus, Rotbertus and Ricardus (Geoffrey, Alan Rufus, William, Robert and Richard). By 1056 Conan gained the upper hand in Brittany, and in 1057 he captured his uncle Eozen and chained him in a prison cell. Eozen's eldest son Geoffrey Boterel continued to fight. In 1062, peace was concluded between Conan and Geoffrey. Eozen, who was now free, continued the fight alone. In histories favourable to the house of Penthièvre, Eozen is shown as effectively ruling Brittany between 1040 and 1062. In other histories his rule is shown as ending with his capture in 1057. Conan was a legitimate contender for the title of Duke of Normandy, so he became a serious rival to Duke William. In 1064, Eozen's liegeman Rivallon I of Dol invited Duke William to join him against Conan, thus initiating the Breton-Norman War of 1064-1065 in which Normandy, Anjou, Dol de Bretagne and the captive Harold Godwinson combined against Conan II, as depicted in three panels of the Bayeux Tapestry. Historians differ on whether William or Conan should be considered the victor in this conflict. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Odo, Count of Penthièvre」の詳細全文を読む スポンサード リンク
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