Tapasa/Tamasa, the brother of the third Manu, was the fourth Manu, and he had ten sons, including Prithu, Khyati, Nara and Ketu. During his reign, the Satyakas, Haris, Viras and others were demigods, the seven great saints were headed by Jyotirdhama, and Trisikha became Indra. Harimedha begot a son named Hari, who was the incarnation of Vishnu for this Manvantara, by his wife Harini. Hari was born to liberate the devotee Gajendra.