_Gauthier I C of Brienne_______________________ _Erard I C of Brienne__________________________|_Eustachia of Bar-sur-Seine____________________ _Gauthier II C of Brienne_______________| | | _Andre de Montdidier Sire de Ramerupt__________ | |_Alix de Montdidier____________________________|_______________________________________________ _Erard II C of Brienne_______| | | _______________________________________________ | | _______________________________________________|_______________________________________________ | |_UNKNOWN _______________________________| | | _______________________________________________ | |_______________________________________________|_______________________________________________ _Jean de BRIENNE Emporer of Constantinople_| | | _______________________________________________ | | _______________________________________________|_______________________________________________ | | _Amadeus de Montfaucon C of Meompelgard_| | | | | _______________________________________________ | | | |_______________________________________________|_______________________________________________ | |_Agnes of Montfaucon_________| | | _______________________________________________ | | _______________________________________________|_______________________________________________ | |________________________________________| | | _______________________________________________ | |_______________________________________________|_______________________________________________ | |--Alfons de BRIENNE* C of Eu | | _Raymond C of Burgundy_________________________ | _Alfonso VII "The Emporer" K of Castile & Leon_|_Urraca Queen of Castile & Leon________________ | _Ferdinand II K of Leon_________________| | | | _Ramon Berenguer III C of Barcelona____________ | | |_Berengaria of Barcelona_______________________|_Dolce of Provence_____________________________ | _Alfonso IX K of Leon________| | | | _Henry of Burgundy C of Portugal_______________ | | | _Alfonso I K of Portugal_______________________|_Therese of Castile & Leon_____________________ | | |_Urraca of Portugal_____________________| | | | _Amadeus III C of Savoy________________________ | | |_Matilda of Savoy______________________________|_Maud of Albon_________________________________ |_Berengaria of Leon________________________| | _Alfonso VII "The Emporer" K of Castile & Leon_ | _Sancho III K of Castile_______________________|_Berengaria of Barcelona_______________________ | _Alfonso VIII K of Castile______________| | | | _Garcia VI K of Navarre________________________ | | |_Blanche of Navarre____________________________|_Marguarite of Laigle__________________________ |_Berengaria Queen of Castile_| | _Geoffrey V "Plantagenet" C of Anjou___________ | _Henry II K of England_________________________|_Matilda Empress of Germany____________________ |_Eleanor of England_____________________| | _William X "le Jeune" D of Aquitaine___________ |_Eleanor of Aquitaine__________________________|_Eleanor de Chastellerault_____________________
by right of his wife, Marie, who was the heiress. King Louis IX of France
(RIN 4232*) knighted him at Jaffa in 1253. He was Chamberlain of
France from 1254 till his death. He was a proxy of King Louis to swear
peace with KING HENRY III OF ENGLAND (RIN 783) in 1258. Alfons
accompanied King Louis on his expedition to Africa in 1270 and died at
Carthage that year.