 They also are said to have maintained hospices at the chief fords of the principal rivers, besides building bridges and looking after ferries.The bridge over the Rhône at Pont-Saint-Esprit has been attributed to the Frères Pontifes, too.The Brotherhood is supposed to have consisted of three branches-- knights, clergy and artisans, where the knights usually had contributed most of the funds and were sometimes called "donati", the clergy were usually monks who represented the church, and the artisans were the workers who actually built the bridges.