This ruler was a signatory of the Bowring Treaty with the namesake governor of Hong Kong, and this father of Chulalongkorn elevated his brother Chutamani to King Pinklao.
This man died of malaria contracted while on a trek to see a solar eclipse that he predicted, but his son survived it and succeeded him. This figure started his career as an abbott in the Thammayut order of Therevada Buddhism, and this man's advisor Suriyawong aided him on foreign policy. This ruler was a signatory of the Bowring Treaty with the namesake governor of Hong Kong, and this father of Chulalongkorn elevated his brother Chutamani to King Pinklao. He offered (*) elephants to President James Buchanan. For 10 points, name this monarch of the Chakri Dynsasty of Siam, who is best known outside of Thailand for hiring the English instructor Anna Leonowens to tutor his son.
This man died of malaria contracted while on a trek to see a solar eclipse that he predicted, but his son survived it and succeeded him.
{Rama IV} [or {Mongkut}; prompt on partial answer]