Raja Fatimah binti Almarhum Sultan Iskandar Shah al-Kaddasu’llah was born in 1910. She was the elder sister of Almarhum Sultan Idris II.
Raja Fatimah was married to Almarhum Sultan Abu Bakar Riayatuddin al-Mu’azzam Shah ibni ALmarhum Sultan Abdullah al-Muhtasim Billah Shah of Pahang on 23 May 1926. She was fashioned the Tengku Ampuan of Pahang, at the Istana Sri Terentang, Pekan on 28 May 1933.
Tengku Ampuan mangkat on 23 June 1988.
Tengku Ampuan was the mother of the present Sultan Pahang, DYMM Sultan Haji Ahmad Shah al-Mustain Billah ibni al-Marhum Sultan Abu Bakar Riayatuddin al-Muazzam Shah.