CONSTANCE de Bretagne ([1161]-[Nantes] [3/5] Sep 1201, bur Bégard Monastery, transferred 24 Nov 1225 to Villeneuve-les-Nantes, Abbaye de Notre-Dame). The Chronicle of Alberic de Trois-Fontaines names "Constantiam comitis Conani filia" as wife of "Gaufridus dux Britannie comes Richemontis filius Henrici regis Anglie natu tertius", specifying that she married [thirdly] "Guido frater vicecomitem de Tuart"[295]. She is named by Matthew of Paris, who also gives her parentage, when he records her betrothal[296]. She succeeded her father in 1171 as CONSTANCE Dss de Bretagne. Robert of Torigny records the marriage in 1182 of "Gaufredus dux Britanniæ filius regis Henrici" and "filiam Conani comitis Britanniæ"[297]. The Annales Cestrienses record in 1188 that “Rannulphus comes Cestrie” was knighted “in die circumcisionis domini apud [Cadomum]” by King Henry II who also granted him “relictam [Galfridi filii sui]...comitissam Britannie filia Alani comitis Britannie...Constancia et toto comittatu de Richemund” whom he married “in die Sancte Werburge...III Non Feb apud ---“[298]. The Genealogia Comitum Richemundiæ records that "Constantia filia Conani" married secondly "Ranulphus Comes Cestriæ", stating that he divorced her because of her adultery and that the marriage was childless[299]. Living apart from her second husband, he captured her at Pontorson in 1196 and imprisoned her at his castle at Beuvron. She was liberated in Summer 1198, and repudiated her marriage. The Genealogia Comitum Richemundiæ records that "Constantia filia Conani" married thirdly "Guidoni de Thoarcio"[300]. The Annals of Burton record the death in 1201 of “Constantia mater Arthuri comitis Britanniæ”[301]. The Genealogia Comitum Richemundiæ records the death in 1201 of "Constantia filia Conani" and her burial "apud Begar"[302]. The Chronicon Britannicum records the death "III Non Sep" in 1201 of "Constantia Ducissa Britanniæ"[303]. Another Chronicon Britannicum records the death "pridie non Sep" in 1201 of "Constantia comitissa, Conani filia, mater Arturi"[304]. The Chronicon Ruyensis Cœnobii records the death in 1201 of "Constantia Comitissa apud Nannetum"[305]. m firstly(betrothed 1166, Jul 1181) GEOFFREY of England, son of HENRY II King of England & his wife Eléonore Dss d'Aquitaine (23 Sep 1158-Paris 19 Aug 1186, bur Notre dame Cathedral, Paris). Proclaimed GEOFFROY Duke of Brittany 1169 by his father Henry II King of England. He was trodden to death by a horse during a tournament in Paris. m secondly (3 Feb 1188, repudiated 1198) as his first wife, RANULF "de Blundeville" Earl of Chester, son of HUGH Earl of Chester & his wife Bertrade de Montfort (Oswestry, Powys [1170]-Wallingford 28 Oct 1232, bur 3 Nov 1232 Chester, Abbey of St Werburgh). m thirdly (Oct 1199) as his first wife, GUY de Thouars, son of GEOFFROY [V] Vicomte de Thouars & his wife Aumou --- (-château de Chemillé 23 Apr 1213, bur 24 Nov 1225 Villeneuve-les-Nantes, Abbaye de Notre-Dame). The Chronicle of Alberic de Trois-Fontaines records that Philippe II King of France besieged "Albam Marnam castrum" in 1196 and captured "Guido frater Reymundi vicecomitis Thoarcensis", who later married "matrem Arturi iunioris Constantiam relicta…Gaufridi" and became "comes Britannie"[306]. After the death of Arthur Duke of Brittany in 1203, he was chosen by the nobles of Brittany as GUY Duke of Brittany during the minority of his daughter. His English lands were confiscated in 1203. Philippe II "Auguste" King of France conquered Brittany in 1206, deposed Guy as Duke but lefthim as Regent, a postwhich he continued to hold until 1213. The Chronique de Guillaume de Nangis records that "Guy de Thouars" died of leprosy[307]. Duchess Constance & her first husband had two children