[1] He also penned the story for Dark Heaven, which was made into both a television drama and a 1958 film, directed by Rattana Pestonji.
Suwat was married to singer Pensri Poomchoosri, also a National Artist.
After a visit to China in 1957, Suwat and his wife were jailed on charges of being involved in communist activities.
The two were jailed for four years, with Pensri spurning offers of early release to remain with her husband.
In his last years, Suwat suffered from heart disease and diabetes and was confined to bed in his home in Si Racha, Chon Buri Province.