At first laymen, they received monastic vows from Pope Honorius III in 1218, and were constituted canons regular with the Rule of St. Augustine by Pope Boniface VIII in 1297.
At first laymen, they received sanction as a monastic order from Pope Honorius III in 1218. In 1248 they adopted the Rule of St. Augustine and were constituted canons regular by Pope Boniface VIII in 1297.