Azam Jah, Damat Walashan Sahebzada Nawab Sir Mir Himayat Ali Khan Siddiqi Bahadur Bayaffendi was the eldest son of the seventh and last nizam of Hyderabad, Mir Osman Ali Khan, Asaf Jah VII and Sahebzadi Azam unnisa Begum, daughter of Sahebzada Mir Jahangir Ali Khan Siddiqi. Wikipedia