Odo, Viscount of Porhoet

Eudes/Odo II, Count of Porhoet was the son of Geoffroy, Vicomte de Porhoët, and his wife Hawise (possibly Fergant). He became Duke of Brittany in 1148 upon his marriage to Bertha, Duchess of Brittany, .

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). Odo II allied with his brother-in-law, Hoèl, Count of Nantes. Odo II was deposed by his stepson Conan IV in 1156, and taken prisoner by Conan IV's ally Raoul de Fougères.

A possible second marriage, in 1167, was to Jeanne/Eléonore de Léon, daughter of Guiomar III, Vicomte de Léon & his unnamed wife. Although Robert of Torigny records the marriage, he does not name her.

Children: (with Bertha)

Geoffroy de Porhoët.^[1]

Adelaide de Porhoët.^[1] (died in 1220). Abbess of Fontevrault.

Alix de Porhoët.^[2] Mistress of Henry II, King of England.

Children: (with Jeanne/Eléonore)

Herve de Porhoët

Eudes/Odo III de Porhoët ^[1] ( died 1231). He was married, but the name of his wife is not known.

Possible child (with Jeanne/Eléonore)

Elenore, wife of Conan de Penthièvre,^[3] de La Roche-Derrien, son of Henri de Bretagne,^[4] Comte de Tréguier et de Guingamp, and Mathilde de Vendôme.^[5]

References

↑ 1.0 1.1 1.2 Cawley, Charles (12 June 2011), Brittany, Dukes & Nobility: Eudes (II) de Porhoët, Foundation for Medieval Genealogy, retrieved July 2012 ,
↑ Cawley, Charles (12 June 2011), Brittany, Dukes & Nobility: Alix de Porhoët, Foundation for Medieval Genealogy, retrieved July 2012 ,
↑ Cawley, Charles (12 June 2011), Brittany, Dukes & Nobility: Conan de La Roche-Derrien, Foundation for Medieval Genealogy, retrieved July 2012 ,
↑ Cawley, Charles (12 June 2011), Henride Bretagne, Foundation for Medieval Genealogy, retrieved July 2012 ,
↑ Cawley, Charles (20 June 2011), Maine & vendôme: Mathilde de Vendôme, Foundation for Medieval Genealogy, retrieved July 2012 ,

Rulers of Brittany

Early monarchs

c. 578–907	Waroch Saint Judicaël Alain II Hir Morman Wihomarc Nominoe Erispoe Salomon Pascweten Gurvand Judicael Alan I Gourmaëlon

Viking Occupation

c. 907–938	Hroflr Rognvaldr Incon

House of Nantes

938–958	Alan II (938–952) Drogo (952–958) Hoël I (960–981) Guerech (981–988) Alan (III) (988–990)

House of Rennes

958–1072	Conan I (990–992)) Geoffrey I (992–1008) Alan III (1008–1040) Odo I (1008–1034) Conan II (1040–1066) Hawise (1066–1072) with Hoel II (1066–1072)

House of Cornouaille

1072–1156	Alan IV (1072–1112) Conan III (1112–1148) Bertha (1148–1156) with Odo II (1148–1156)

House of Penthièvre

1156–1194	Conan IV (1156–1166) Constance (1166–1201) with Geoffrey II (1181–1186), later Guy of Thouars (1199-1201)

House of Plantagenet

1194–1203	Arthur I (1196–1203)

House of Thouars

1203–1221	Alix (1203-1221) with Peter I (1213-1221)

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1221–1341	John I (1221–1286) John II (1286–1305) Arthur II (1305–1312) John III (1312–1341)

War of the Breton Succession

1341–1365	Joan (1341–1364) with Charles I (1341–1364) disputed by John IV (1341–1345) and John V (1345-1365)

Montfort of Brittany

1365–1514	John V (1365-1399) John VI (1399–1442) Francis I (1442–1450) Peter II (1450–1457) Arthur III (1457–1458) Francis II (1458–1488) Anne (1488–1514) with Charles II (1491–1498), later Louis I (1499–1514)

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Courtesy title

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