Complex sentence: According to Nicetas Choniates, Boniface had remarried in late 1186-early 1187 to Jeanne de Châtillon-sur-Loing, daughter of Renaud de Châtillon-sur-Loing and his first wife Princess Constance of Antioch.
Split into simpler sentences: According to Nicetas Choniates, Boniface had remarried in late 1186-early 1187. This bride was possibly Jeanne de Châtillon-sur-Loing, daughter of Renaud de Châtillon-sur-Loing and his first wife Princess Constance of Antioch.