 One of the greatest benefits was to receive one of the twenty-seven houses that surrounded the cloister of Notre Dame, located northeast of the cathedral at the end of the Île de la Cité.The position of the curate of a parish in Paris was also often given to those who had done favors for the king, rather than those who had demonstrated religious devotion.In the 13th century, new religious orders arrived in Paris with the mission of fighting heresies that had appeared inside and outside the church.