Stéphane de Rosti was born in Alexandria. His father, Stéphane Rosti senior, an Austrian Baron, who married an Italian, bought her palace in Shoubra and decided to live there. As the mother was about to give birth to her child, the father returned to Vienna in obedience to his Aristocratic family. When Stéphane Rosti was born, she gave him his father’s name. He lived with his mother in Shoubra, and went to al-Khedeweyya school.