Titiṣu (Titikshu) was the youngest brother of Rājarṣi Uśīnara (Rajarshi Usinara) who was born in the clan of Drūhūya (Druhuya), the son of Yayāti (Yayati). Uṣṇadratha (Ushnadratha) was the son of Titiṣu (Titikshu). It was known that he was a very powerful king of the Pūrvadeśa (Purvadesa). Uṣṇadratha (Ushnadratha) had a son called Hema.