Son of King Śatānīka of Kauśāmbī.

A historical king and contemporary of the Buddha. He was ruler of the kingdom of Vatsa, but few historical details are known about his life.

A king contemporary with the Buddha, here referred to as “Udayana, the king of Vatsa” (bad sa la’i rgyal po ’char byed). The same name is known in a variety of Tibetan renderings as shar ba (Toh 1) and ’char ba (Toh 543) and ’char ka (Toh 340).

See “Udayin.”

A king of Vatsa, contemporary of the Buddha; also, a king based in Ujjain, contemporary of the Buddha.

King of Vatsa during the time of Buddha Śākyamuni. Also rendered here as “Udayana.”