 His successor, Eustachius Wollowicz (1616–1630), founded hospitals, invited the Canons Regular of the Lateran to Vilnius, and energetically combated the Protestants and the Orthodox.Abraham Woyna (1631–1649) introduced the Fatebene Brethren and strenuously opposed Calvinism.Jerzy Tyszkiewicz (1650–1656) annexed the whole of Courland to his diocese.