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His Majesty and Her Majesty |
 | | Tengku Yahya Petra was born on 10 December, 1917 at Istana Balai Besar in Kota Bharu. |
 | | D.K., S.P.M.K. Tengku Zainab binti Almarhum Tengku Mohamed Petra, who is the consort of Sultan Yahya Petra and the mother of the 28th Sultan of Kelantan, HRH Sultan Ismail Petra, was born on 7 August 1917. |
 | | Tengku Zainab married Sultan Yahya Petra on 4 June 1939 and was given the title Tengku Ampuan Mahkota (conferred on the consort of the Crown Prince) by Sultan Ibrahim on 9 August 1956. |
| www.malaysianmonarchy.org.my /portal_bi/rk3/rk3a.php?id=rk3_6 (872 words) |