 Ariyavangsagatayana (Chuan Utthayi)

Somdet Phra Ariyavangsagatayana Somdet Phra Sangharaja, known also as Ariyavangsagatayana VI, was the 16th Supreme Patriarch of Thailand 1965–1971 (2508–2514 Thai calendar).He was born in 1897 as Juan Sirisom in the Rajburi province.