[1] She is the daughter of Sultan Sulaiman of Selangor and one of his consorts, Cik Puan Maimunah binti Abdullah.

Tengku Raihani was born on 11 October 1911, at Istana Bandar Temasya in Jugra, Kuala Langat, Selangor, Malaysia (then located in the Federated Malay States).

[2] Tengku Raihani married Sultan Ahmad Tajuddin on 30 April 1934, at Istana Mahkota Puri in Klang in accordance with Selangor and Brunei's royal traditions.

The relationship between the Malay dynastic royal families of Selangor in Malaysia and Brunei was created as a result of this marriage.

[3] The prince's bridal party included Raihani's mother-in-law Pengiran Anak Fatimah, his younger brother Prince Omar Ali Saifuddien, as well as state dignitaries, members of the royal family of Brunei, including bearers of grandeur, and a group of naubats.