Queen Srisuriyendra (Thai: สมเด็จพระศรีสุริเยนทราบรมราชินี) was the queen consort of King Rama II of Thailand. Her given name is Princess Bunrod. She was the mother of King Mongkut (Rama IV) and Vice-kingPinklao. King Mongkut promoted his mother to be Queen Mother Srisuriyendramataya (สมเด็จพระศรีสุริเยนทรามาตย์). King Mongkut (Rama IV), (October 18, 1804 â October 1, 1868) was king of Siam from 1851 to 1868. ... Ouparath, also Ouparaja, or Uparaja, are titles for viceregal positions reserved for of the Buddhist dynasties in Laos, Siam, Burma and Cambodia, as well as some minor tributary kingdoms of these. ... Chaufat Krommakhun Izaret, Prince Chudamani (September 4, 1808 - January 7, 1866) was a younger brother and the vice-king of King Mongkut. ... King Mongkut (Rama IV), (October 18, 1804 â October 1, 1868) was king of Siam from 1851 to 1868. ...