In his first book written in 1997, Against the Tides in the Middle East: The true story of Mustafa, former teacher of Islamic history Gabriel tells of his birth on 30 December 1957 to Muslim parents in Upper Egypt.
Dalam buku pertamanya yang ditulis pada1997, Against the Tides in the Middle East: The true story of Mustafa, former teacher of Islamic history Gabriel berkata bahwa ia lahir pada 30 Desember 1957 dari orangtua Muslim di Mesir Hulu.