Constance de Brittany Dss de Brittany 
Constance de Brittany was born about 1161. She died on September 5th, 1201 in Nantes, Brittany.General Notes
Constance m. 1st Geoffrey Plantagenet, 4th son of King Henry II, and had issue, Arthur, said to be put to death by his uncle, John, afterwards King John; and Eleanor, d. s. p. Constance m. 2ndly, Ralph de Blondville, Earl of Chester, but from she was soon afterwards divorced, and she m. 3rdly, Guy, Viscount of Thouars, by whom she had two daus., viz., Alice, m. to Peter de Dreux, and Katherine, m. to Andrew de Vitre. [Sir Bernard Burke, Dormant, Abeyant, Forfeited, and Extinct Peerages, Burke's Peerage, Ltd., London, 1883, p. 162, de Dreux, Earls of Richmond]
Constance de Brittany and Geoffrey were married in a religious ceremony in July 1181.
Constance de Brittany were married in a religious ceremony in 1199 in Angers, Anjou. She had a biological daughter named Alice de Thouars de Brittany.
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Children
Alice de Thouars de Brittany Dss de Brittany
Alice de Thouars de Brittany was born in 1201. She died at the age of 20 in 1221.
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