[charlemegne.FTW]
Berengaria of Leon m. as 3rd wife, Jean de Brienne (see 120-29) , b. ca. 1160, d. 21 Mar. 1237, King of Jerusalem, 1210-1215, Em peror of Constantinople, Crusader. Jean de Brienne was yr. son o f Erard II, Count of Brienne (who fought in the 3rd Crusade, bei ng killed at Acre, 8 Feb. 1191),. by Agnes de Montfaucon (m. 116 6), dau. Richard II, Count of Montbeliard. Jean de Brienne m. (1 ) 15 Sep. 1210, Mary, dau. Conrad de Montferrat, by wife Isabel , dau. Amaury I, King of Jerusalem. He became King of Jerusale m by election of the Barons, in right of his wife, who died shor tly leaving a daughter and heiress, in whose right he reigned; m . (2) 1214, Stephanie, dau. and h. Leo II, King of Armenia who d .s.p. 1219. On mar. of his dau. Yolande, he returned to Europe ; m. (3) 1223, Berengaria (d. 12 Apr. 1237), dau. of Alphonso IV , King of Castile and Leon. He was elected Latin Emperor of Cons tantinople 1228.