The chief opponent to C.F.W. Walther during the Predestinarian Controversy was Frederick William Stellhorn. Augustine's doctrine of predestination does seem to imply a double predestinarian view. During the Protestant Reformation John Calvin also held double predestinarian views. Other Protestant Reformers, including Huldrych Zwingli, also held double predestinarian views. The "Pilgrim Predestinarian Regular Baptist Church" was constituted July 26, 1833 in Illinois. Parker held a strict predestinarian theology, as well as his controversial "Two-Seed" theology.