Born at the Royal Palace, Pekan Lama, 4 February 1868, as Tun Long Mahmud, second and eldest surviving son of Paduka Sri Baginda Al-Sultan Besar Sir Ahmad Muazdam Shah ibni al-Marhum Bendahara Sri Maharaja Tun ‘Ali, Sultan of Pahang, KCMG, by his second wife, Che’ Ungku Pah binti al-Marhum Dato’ Temenggong Sri Maharaja Tun Ibrahim educated privately. Raised to the title of Tengku 5 December 1884. His poor health precluded him from taking active part in affairs of the state following his accession, and he died in 1917, leaving no heir.