Chey Chettha V
Chey Chettha V or Chey Chettha VII (1709–1755), born Ang Snguon, was a Cambodian king in Cambodia's history (r. 1749–1755). Ang Snguon was the second son of Thommo Reachea III. In 1749, Satha II was installed the Cambodian king by Vietnamese Nguyễn lord. Cambodia became a vassal state of Vietnamese Nguyễn lord. Ang Snguon drove Vietnamese army out, and proclaimed himself the new king. During his reign, he tried to conquered Cham people in eastern Cambodia. He also allied with Vietnamese Trịnh lord. In 1753, Nguyễn Phúc Khoát ordered Nguyễn army to attacked Cambodia. Ang Snguon  fled to Hà Tiên. With the help of mediation of Mạc Thiên Tứ, Ang Snguon was allowed to come back to Cambodia. As a condition, Tầm Bôn (尋奔, present day Tân An of Long An Province) and Lôi Lạt (雷巤, present day Gò Công of Tiền Giang Province) were ceded to Vietnamese Nguyễn lord.