Tengku Muhammad Faiz Petra

On 19 April 2019, Tengku Fa-iz married Swedish citizen, Cik Puan Sofie Louise Johansson (born 1986) at Istana Balai Besar in Kota Bharu. The solemnisation ceremony was performed by Datuk Aria Diraja cum Kelantan Syariah Court Chief Judge Datuk Daud Mohamad and were witnessed by Tengku Laksamana of Kelantan Tengku Abdul Halim and Member of Parliament for Gua Musang Tengku Razaleigh Hamzah.

Tengku Fa-iz is the current Chancellor of the Universiti Malaysia Kelantan (UMK), and was proclaimed on 16 February 2017.

On 8 December 2016, Tengku Fa-iz was appointed as the Pemangku Raja (Regent) of Kelantan, following the appointment of his eldest brother, Sultan Muhammad V as the fifteenth Yang di-Pertuan Agong on 13 December 2016.

Tengku Fa-iz was elevated to the position of Tengku Mahkota or heir presumptive to the throne of Kelantan upon deliberation of the Kelantan State Council of Succession which was chaired by Tengku Laksamana Kelantan Tengku Abdul Halim Ibni Almarhum Sultan Ibrahim. The ceremony to present the letter of appointment as Tengku Mahkota Kelantan was held at Istana Negeri in Kubang Kerian on 18 October 2010.

Tengku Muhammad Fa-iz Petra ibni Almarhum Sultan Ismail Petra (born 20 January 1974) is the current Tengku Mahkota (Crown Prince) of Kelantan. He was proclaimed as Tengku Mahkota of Kelantan on 18 October 2010 upon the accession of his elder brother, Sultan Muhammad V as the 29th Sultan of Kelantan.

Tengku Fa-iz was born at Istana Kota Lama, Kota Bharu, Kelantan on 20 January 1974. He was appointed Tengku Bendahara of Kelantan on 30 March 1989 and was the head of the Kelantan Islamic Religious and Malay Customs Council (MAIK) from the year 2009 until 2019.