JEAN de Bretagne, son of JEAN I Duke of Brittany & his wife Infanta doña Blanca de Navarra [Champagne] (3/4 Jan 1239-Lyon 16 Nov 1305, bur Ploërmel, Morbihan, église Notre dame du couvent des Carmes). The Chronicon Universum in the cartulary of Sainte-Croix de Quimperlé records the birth "die martis infra octabas Sanctorum Innocentium" in 1239 of "Johannes primogenitus Johannis comitis Britannie"[389]. The Chronicon Kemperlegienserecords the birth in 1240 of "Iohannes primogenitus Iohannis Comitis Britanniæ"[390]. Earl of Richmond 1268, when his father resigned the earldom. He accompanied his father and Louis IX King of France on the Crusade in 1270. William of Tyre (Continuation) records the arrival in Palestine of "Johan filz le conte de Bretaigne" 14 Sep 1272[391]. He succeeded his father in 1286 as JEAN II Duke of Brittany: the Chronicon Britannicum records the death "Id Oct" 1286 of “Joannes comes Britanniæ fundator abbatiæ de Precibus” and the succession of “Joannes filius eius”[392]. He received Papal recognition 1 Sep 1288. Philippe IV King of France confirmed his title of duke of Brittany, pair de France at Courtrai Sep 1297[393]. King Edward I of England confiscated his English possessions in 1296, for supporting theFrench, but theywere restored to him 1 May 1304. He was killed by a fallingwall, while leading the Pope's horse during the consecration of Pope Clement V. The testament of "Jehan Duc de Bretaigne Comte de Richemond", dated Jul 1304, bequeathed property to “Artur mon ainzné filz...Jean de Bretaigne mon filz...Alienor de Bretaigne ma fille nonain de Fontevrault...”[394]. The Chronicon Britannicum records the death “in Lugduno” 1305 of “Joannes dux Britanniæ” and the succession of “Arturus eius filius”[395].
m (contract 13 Oct 1260, église de l'Abbaye royale de Saint Denis Nov 1260, Westminster Abbey [25 Dec] 1260) BEATRIX of England, daughter of HENRY III King of England & his wife Eléonore de Provence (Bordeaux 25 Jun 1242-London 24 Mar 1275, maybe bur Reading Abbey, transferred to Greyfriars Church, Newgate, London). The Annales Londonienses record the marriage in 1260 of "Johannes filius comitis Britanniæ" and "Beatricem filiam regis Angliæ"[396]. The Chronicle of Thomas Wykes records the marriage “apud Westmonasterium” in 1259 of “Johannem filium et hæredum comitis Britanniæ” and “Beatriciam filiam regis”[397]. The Continuator of Florence of Worcester records the death in 1275 of "Margareta regina Scotie et Beatrix comitissa Britanniæ, filiæ Henrici"[398].
Duke Jean II & his wife had six children