Constance, Duchess of Brittany

Constance
Constance
Duchess of Brittany
Reign	1166–1201
Predecessor	Conan IV
Successor	Arthur I
Co-rulers	Geoffrey II (1181–1186); Arthur I (1196–1201); Guy (1199–1201);
Born	circa 1161
Died	circa 5 September 1201; Nantes
Burial	Villeneuve Abbey, Nantes
Spouses	; Geoffrey of England (m. 1181; died 1186) Ranulph de Blondeville, 6th Earl of Chester (m. 1188; ann. 1198) Guy of Thouars (m. 1199)
Issue; more...	Eleanor, Fair Maid of Brittany; Arthur I, Duke of Brittany; Alix, Duchess of Brittany; Catherine, Baroness of Vitré;
House	Penthièvre
Father	Conan IV, Duke of Brittany
Mother	Margaret of Huntingdon

Constance (Breton: Konstanza; c. 1161 – c. 5 September 1201) was Duchess of Brittany from 1166 to her death in 1201 and Countess of Richmond from 1171 to 1201. Constance was the daughter of Duke Conan IV by his wife, Margaret of Huntingdon, a sister of the Scottish kings Malcolm IV and William I. Her first husband was Geoffrey, fourth son of King Henry II of England.