Alix, Duchess of Brittany
|Reign||April 1203 – 21 October 1221|
|Co-ruler||Peter I (as Duke jure uxoris)|
|John I, Duke of Brittany
Yolande, Countess of Penthièvre
|House||House of Thouars|
|Father||Guy of Thouars|
|Mother||Constance, Duchess of Brittany|
5 September 1201|
|Died||21 October 1221(aged 20)|
|Burial||24 November 1225
Villeneuve Abbey, Nantes
Alix of Thouars (5 September 1201 – 21 October 1221) (in Breton Alis) was the hereditary Duchess of Brittany from 1203 to her death.
Alix was born on or shortly before 5 September 1201. She was the daughter of Constance, Duchess of Brittany and Guy of Thouars. Constance died after giving birth to Alix and her twin sister Catherine. Alix's older half-brother was Arthur I, Duke of Brittany and her half-sister was Eleanor, Fair Maid of Brittany, the children of Constance and Geoffrey Plantagenet. Upon the death of Richard I of England, a power struggle commenced between her half-brother Arthur and King John of England. At the Battle of Mirebeau in 1202, Arthur and Eleanor were captured. Arthur was imprisoned at the Château de Falaise and in 1203 disappeared. Eleanor was imprisoned at Corfe Castle.
The Breton barons recognized Alix as Duchess of Brittany after the death of Arthur, instead of her older sister, Eleanor. This was due to fears that King John might claim to rule Brittany as regent for the imprisoned Eleanor. Her father Guy became regent for Alix until 1206, when King Philip II of France made himself the regent of the duchy in Alix’s name.
In 1213, the French King, Philip II, arranged her marriage to his cousin Peter of Dreux, who in turn swore fealty to Philip. Alix died in childbirth, without having exercised much control over her own inheritance. She was succeeded in the duchy by her son John I, but Peter remained the de facto ruler of Brittany until 1237. Alix had two surviving children.
- John I, Duke of Brittany (1217–1286). Married 1236 Blanche of Navarre, whom he had issue.
- Yolande of Brittany (1218 – 10 October 1272), Countess of Penthièvre and of Porhoet. Married January 1236 Hugh XI of Lusignan, Count of La Marche and Angoulême, by whom she had issue.
- Arthur of Brittany (1220–1224)
|Ancestors of Alix, Duchess of Brittany|
- Brittany, Julia M.H. Smith, Medieval France: An Encyclopedia, Ed. William W. Kibler, (Garland Publishing Inc., 1995 ), 148.
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Alix, Duchess of BrittanyBorn: 5 September 1201 Died: 21 October 1221
|Duchess of Brittany
with Peter (1213–1221)