Main religion = Theravada Buddhism (ลัทธิเถรวาท)
King Trailokanat had been monk for 8 months.
Allowed his sons and grandchildren entering the novice hood
(Assumption: The commencement of an ordination ceremony of monkhood for royal members, nobles and officials)
Other religions:
Hindu – influence on elements of the political and social system =Hindu scriptures (Brahmin priests)
Mahayana Buddhism (ลัทธิมหายาน)
Islam
Roman Catholicism - influenced by French Missionaries
NOTE: The king did not adopt the caste (social classes)of Hindu to use.