trigamist

A person who has three spouses; someone who commits trigamy / A person who has a third marriage

Japanese Meaning

三婚者：3人の配偶者を持つ人、または三重結婚を行う人 / 三者結婚者：三回結婚を経験している人

The historian discovered that the village elder had been a trigamist in the early 1900s.

歴史家は、その村の長老が1900年代初頭に三人の配偶者を持っていたことを突き止めた。

Sense（1）

A person who has three spouses; someone who commits trigamy

Sense（2）

A person who has a third marriage

trigamists

（ plural ）