[1] He was born Emad Timotheos Sharmokh (Arabic: عماد القمص تيموثاوس شرموخ), in Abu Tig, Asyut, Egypt, on July 25, 1969.

[2][3] He entered the Monastery of Saint Anthony, in 2004, and was tonsured a monk there on December 27, 2006, under the name Theodore (Arabic: ثيؤدور,Coptic: Ⲑⲉⲟ́ⲇⲱⲣⲟⲥ).

He completed the four-year program even after he was recalled early in 2016, in order to be consecrated as Metropolitan Archbishop of the See of Jerusalem.

[2][3] On Sunday, February 28, 2016, he was consecrated as Antonius, Metropolitan of Jerusalem and Archbishop of all Palestine, Philadelphia of Jordan, and all the Near East, by Pope Tawadros II, and the bishops and metropolitans of the Holy Synod, in the Saint Mark's Coptic Orthodox Cathedral, Azbakeya (the old See of the Patriarchate of Alexandria).

[1][2][3][4] The ceremony couldn't be held at the current See of the Patriarchate of Alexandria, Saint Mark's Coptic Orthodox Cathedral, Abbassia, due to the renovations that were taking place there at the time in preparation for the celebration of its 50th anniversary.