Osman Hamdi was the son of Ibrahim Edhem Pasha, an Ottoman Grand Vizier (in office 1877–1878, replacing Midhat Pasha) who was originally a Greek boy from the Ottoman island of Sakz (Chios) orphaned at a very young age following the Chios massacre there. He was adopted by Kaptan- Derya (Grand Admiral) Hüsrev Pasha and eventually rose to the ranks of the ruling class of the Ottoman Empire.
Osman Hamdi was the son of Ibrahim Edhem Pasha, an Ottoman Grand Vizier (in office 1877–1878, replacing Midhat Pasha) who was originally a Greek boy from the Ottoman island of Sakz (Chios) orphaned at a very young age following the Chios massacre there. He was adopted by Kaptan- Derya (Grand Admiral) Hüsrev Pasha and eventually rose to the ranks of the ruling class of the Ottoman Empire.