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Constance was given in marriage to Raymond of Poitiers in 1136. During the subsequent years, Raymond ruled Antioch while Constance gave birth to four children. After Raymond was murdered after a battle in 1149, Fulk of Anjou's son Baldwin III of Jerusalem assumed the regency. He tried to persuade Constance to remarry, but she did not accept his candidates. She also refused to marry a middle-aged relative of the Byzantine Emperor Manuel I Komnenus. Finally, she found a love interest and was married to Raynald of Châtillon, a knight from France, in 1153.