Tags: Noble.
Guy of Thouars (died 12 April 1213) was the third husband of Constance Duchess of Brittany whom he married in 1199 in Angiers. He was an Occitan noble a member of the House of Thouars. Guy and Constance had two daughters Alix of Thouars and Katherine Dame of Vitre in 1201. Constance died in childbirth. Between 1198 and the time of her death delivering twin daughters Constance acted as regent for her young son Arthur I Duke of Brittany.
