[6] He was born in Shkodra, Ottoman Empire, as the son of Tahir Pasha Bibezić, who was a vali of Van, Bitlis, and Mosul.
[7] In 1914, as the Kaymakam of the Sanjak of Hakkari, Djevdet worked closely together with the Ottoman Special Organization to coordinate the defense against the Russians and possible offensives against the region around Lake Urmia.
[10] As such, he allied with the Kurdish chieftain Simko Shikak and ordered a massacre of about 800 Assyrians in Salmas in March 1915.
[12] Djevdet was a leader of the Committee of Union and Progress (CUP)[13] and the brother-in-law of Enver Pasha.
He was portrayed by Elias Koteas in the 2002 film Ararat,[14] which received 2 Oscar nominations.