Analysis of information sources in references of the Wikipedia article "Monarchy of Cambodia" in English language version.
Jai Jettha III, who ruled five or six times between 1677 and 1702, abdicated in 1687 in favour of his mother Queen Tey. She remained there for a matter of months before returning the throne to her son.
In 1960 Sihanouk's father, King Suramarit, died. After a series of maneuvers, Sihanouk had himself named Cambodia's chief of state with his mother, Queen Kossamak, continuing to serve as a monarch for ceremonial purposes.