Ariyavangsagatayana (Chuan Utthayi)
Somdet Phra Ariyavangsagatayana Somdet Phra Sangharaja, known also as Ariyavangsagatayana VI, was the 16th Supreme Patriarch of Thailand 1965–1971. He was born in 1897 as Juan Sirisom in the Rajburi province. He was a member of the Makutkrasattriyaram Temple. He died in 1971. His predecessor was Ariyavangsagatayana and his successor was Ariyavangsagatayana.
