HM Queen Debsirindra (1834-1861) in King Rama IV. Formerly HSH Princess Rampeuy, daughter of HRH Prince Sirivongse, son of King Rama III. Prince Sirivongse died at 28 years, and his 8 children came into the care of King Rama III. King Monkut (Rama IV) made her his queen in 1852, at the age of 18. She bored him four children, the eldest being King Chulalongkorn (Rama V). The Queen was not very healthy, and died at just 24 years old.