Sanphet VI (Chai)

Chai (Thai: ไชย) or Somdet Chao Fa Chai (Thai: สมเด็จเจ้าฟ้าไชย; 1630 – 1656), also known as Sanphet VI (Thai: สมเด็จพระสรรเพชญ์ที่ 6), was the king of the Ayutthaya Kingdom from 1655 to 1656. The eldest son of King Prasat Thong, he reigned for less than a year before being deposed and executed in a coup led by his uncle, Si Suthammaracha, and his younger brother, Narai.