Kuśa (Kusa) is the eldest son of King Rāmacandra (Ramachandra), belonging to the Ikṣvāku(Ikshvaku) vaṁśa (vamsa; genealogical line). In the hereditery line of Kuśa, Uktha is the son of Chala. Uktha fathered a son named Vajranābha (Vajrababha).