Ipatii Potii

Hypatius Pociej was the "Metropolitan of Kiev, Galicia and all Ruthenia" in the Ruthenian Uniate Church — a sui juris Eastern Catholic Church in full communion with the Holy See. He reigned from 1599 to his death in 1613. He played an active role in the 1595 Union of Brest of which he was a firm supporter. He was also a writer, polemist and theologian.