When he was defeated by another king in battle he swore to become the ruler of the underworld instead. Another tradition holds that Yama has a wife, or sister some say, named Yami, who rules the underworld with him.
再一個傳說，說他是印度 Vaisali 地方的國王，死後成了鬼神的統治者。有的說他親切善良，但也有人說他嚴酷可怕。