Odo II, Count of Porhoet (died after 1180) was the son of Geoffroy, Viscount de

Porhoët The noble Breton family line of Porhoët () is represented in modern times by the Franco-Breton House of Rohan. History The first recognised Vicomte de Porhoët was Guithenoc (abt. 990-1040CE), was born in Guilliers. He married Allurum (994 ...

, and his wife Hawise (possibly Fergant). He became

Duke of Brittany This is a list of rulers of the Duchy of Brittany. In different epochs the sovereigns of Brittany were kings, princes, and dukes. The Breton ruler was sometimes elected, sometimes attained the position by conquest or intrigue, or by hereditary r ...

in 1148,

jure uxoris ''Jure uxoris'' (a Latin phrase meaning "by right of (his) wife"), citing . describes a title of nobility used by a man because his wife holds the office or title ''suo jure'' ("in her own right"). Similarly, the husband of an heiress could becom ...

, upon his marriage to

Bertha, Duchess of Brittany Bertha of Cornouaille (fl. 1125–56), also known as Bertha of Brittany ( br, Berthe Breizh), was the Duchess of Brittany between 1148 until her death and Dowager Countess of Richmond. Bertha was the elder daughter of Conan III of Brittany by Mau ...

. On Bertha's death, Odo II denied her son Conan IV of Penthièvre, Duke of Brittany his inheritance. While Odo II's marriage to Bertha was his first, it was her second marriage, her first being to Alain 'le Noir' de Penthièvre, Lord of Richmond (

Alan, 1st Earl of Richmond Alan, 1st Earl of Richmond (before 1100 – 15 September 1146), Breton ''Alan Penteur'', also known as "Alan the Black", was a Breton noble who fought for Stephen, King of England. Alan was the third son of Stephen, Count of Tréguier, and ...

). Odo II allied with his brother-in-law, Hoèl, Count of Nantes. Odo II was deposed by his stepson

Conan IV Conan IV ( 1138 – February 20, 1171), called the Young, was the Duke of Brittany from 1156 to 1166. He was the son of Bertha, Duchess of Brittany, and her first husband, Alan, Earl of Richmond. Conan IV was his father's heir as Earl of Richmon ...

in 1156, and taken prisoner by

's ally Raoul de

Fougères Fougères (; br, Felger; Gallo: ''Foujerr'') is a commune and a sub-prefecture of the Ille-et-Vilaine department in the region of Brittany in northwestern France. As of 2017, Fougères had 20,418 inhabitants. The Fougères area comprises appr ...

. He married secondly, in 1167, a daughter of

Guihomar IV, Viscount of Léon Guihomar, Guidomar, or Guyomar IV (c. 1130–1179) was the Viscount of Léon from 1168 until his death. He was the son and successor of Harvey II. His reign was spent in constant rebellion against his nominal lords in an effort to preserve his hi ...

and his wife Nobilis, sometimes identitifed by the names Eleanor or Joan by later authors

Issue

Odo II had two children by Bertha: * Geoffrey de Porhoët * Adelaide (or Alix) of Porhoët (d. 1220). She was sent to

Henry II of England Henry II (5 March 1133 – 6 July 1189), also known as Henry Curtmantle (french: link=no, Court-manteau), Henry FitzEmpress, or Henry Plantagenet, was King of England from 1154 until his death in 1189, and as such, was the first Angevin king ...

's court as an hostage and was alleged by his enemies to have become his mistress. This accusation remains unclear. She later becoming Abbess of

Fontevrault The Royal Abbey of Our Lady of Fontevraud or Fontevrault (in French: ''abbaye de Fontevraud'') was a monastery in the village of Fontevraud-l'Abbaye, near Chinon, in the former French duchy of Duchy of Anjou, Anjou. It was founded in 1101 by the i ...

. Odo and his second wife had two children * Odo III of Porhoët (died 1231). He was married, but the name of his wife is not known. * Harvey or Henry of Porhoët * Eleanor of Porhoët, wife of Conan of Penthièvre, de La Roche-Derrien, son of Henry of Penthièvre, Count of Tréguier and Guingamp, and Mathilde de Vendôme. * maybe Alice of Porhoët, who married into the

Mauvoisin family __NOTOC__ Lac de Mauvoisin is a reservoir in the canton of Valais, Switzerland. The reservoir is formed by the Mauvoisin Dam, which is high. The dam is the 11th highest in the world, and the 6th highest arch dam. It was built in 1951–1957, and ...

Notes

References

Sources

* * * * * * * 1180 deaths 12th-century dukes of Brittany Dukes of Brittany House of Rohan Year of birth unknown Jure uxoris officeholders Porhoët family {{Brittany-stub