 Some years later Yohannan Hormizd faced another challenge to his authority from a Baghdad merchant named Gabriel Dambo, one of the most remarkable figures of the nineteenth century Chaldean church.A Chaldean Christian born in Mardin in 1775, Dambo had made sufficient money by middle age to be able to retire from business, and he decided to devote the rest of his life to the service of the Church.The once-thriving monastery of Rabban Hormizd near Alqosh had been abandoned for many years, and he dreamed of reviving its monastic life and restoring it to its former glory.