Polygamy in Thailand could be freely practiced before 1 October 1935.
[1][2] The old family law assigned wives to three categories in accordance with how they became wives: Children of these unions were recognised as legitimate.
While polygamy has since been abolished, it is still alive in Thailand and, according to some, widely accepted.
[3] The king of Thailand may, for example, still designate "consorts" other than the queen.
[4] Such unions are not recognised under Thai law, which states, "A man or a woman cannot marry each other while one of them has a spouse.