Please answer the following question: What key details about bela iii of hungary can be extracted from the following bio? Bio: bela iii -lrb- , , ; 114823 april 1196 -rrb- was king of hungary and croatia between 1172 and 1196 . he was the second son of king geza ii and geza 's wife , euphrosyne of kiev . around 1161 , euphrosyne granted bela a duchy , which included croatia , central dalmatia and possibly sirmium . in accordance with a peace treaty between his elder brother , stephen iii , who succeeded their father in 1162 , and the byzantine emperor manuel i komnenos , bela moved to constantinople in 1163 . he was renamed to alexios , and the emperor granted him the newly created senior court title of '' despotes '' . he was betrothed to the emperor 's daughter , maria . bela 's patrimony caused armed conflicts between the byzantine empire and the kingdom of hungary between 1164 and 1167 , because stephen iii attempted to hinder the byzantines from taking control of croatia , dalmatia and sirmium . bela-alexios , who was designated as emperor manuel 's heir in 1165 , took part in three byzantine campaigns against hungary . his betrothal to the emperor 's daughter was dissolved after her brother , alexios , was born in 1169 . the emperor deprived bela of his high title , granting him the inferior rank of '' kaisar '' . stephen iii died on 4 march 1172 , and bela decided to return to hungary . before his departure , he pledged that he would never make war against the byzantine empire . although the hungarian prelates and lords unanimously proclaimed bela king , lucas , archbishop of esztergom opposed his coronation because of bela 's alleged simony . finally , the archbishop of kalocsa crowned him king on 18 january 1173 , with pope alexander iii 's approval . bela fought with his younger brother , geza , whom he held in captivity for more than a decade . taking advantage of the internal conflicts in the byzantine empire after emperor manuel 's death , bela reoccupied croatia , dalmatia and sirmium between 1180 and 1181 . he occupied the principality of halych in 1188 , but it was lost within two years . bela promoted the use of...
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- issue is emeric of hungary constance , queen of bohemia of hungary margaret , byzantine empress andrew ii- burial place is szekesfehervar basilica reburied at matthias church- caption is bela iii from the '' illuminated chronicle ''- succession is king of hungary and croatia- coronation is 13 january 1173- reign is 1172 -- 1196- successor is emeric- spouse is agnes of antioch margaret of france- predecessor is stephen iii- mother is euphrosyne of kiev- death date is 23 april 1196 1148- house is Arpad dynasty- father is geza ii of hungary- birth date is 1148- name is bela iii- image is bela3.jpg- religion is roman catholic