 This event marked the birth of the since unbroken patriarchal line of the Chaldean Catholic Church.Yohannan Hormizd died in 1838 and his successor Nicholas I Zaya was chosen by the Vatican, ending the centuries-old practice of hereditary succession in the Eliya line of the Church of the East.Yohannan Hormizd's career, first as patriarchal administrator and finally as patriarch, was dogged by disputes.