During his exile Ludovic Zdanowicz governed the diocese as vicar patriarchal.

These letters state that he died on 26 September 1738 and mention that he had been appointed patriarchal vicar by the Sacred Congregation.

In 1840 he was appointed patriarchal vicar for the Melkite community in Amid.

On August 26, 1963, he was chosen to be the bishop of Batumi and Shemokmedi and appointed a patriarchal vicar.

Until recently the Chaldean church did not appoint bishops for its diaspora, preferring to administer them through patriarchal vicars.

In 1987 the small Chaldean community in Australia was under the care of a patriarchal vicar.

He was the patriarchal vicar of Mossul from 1863 to 1870 and metropolitan of Amid from 1874 to 1894.

Released shortly afterwards, he continued to serve as patriarchal vicar in Egypt.

In protest, Zohgby resigned his position as patriarchal vicar of Alexandria.

Later that year he was appointed patriarchal vicar in charge of the patriarchal offices in Cairo.