sentences:  But by 1619 the cathedral was back under the control of the Catholics and Henri de Sourdis became the Bishop.In 1629, the Bishopric of Maillezais was one of the richest in France with a lease value of 35,000 livres.It remained the seat of the Bishopric of Maillezais until 1648, when Pope Innocent X transferred the bishopric to the St. Louis Cathedral of La Rochelle, in the Diocese of La Rochelle.