Vyushitaswa
Vyushitaswa was the son of King Kuru, of the Puru dynasty. He is described in the Mahabharata (1:121). Vyushitaswa married Bhadra (Daughter of Sage Kakshivat), who was known for her beauty. Once Vyushitaswa performed a great sacrifice in which all the celestial deities came led by Indra. After this sacrifice, Vyushitaswa attained great power and through the horse-sacrifice (Ashvamedha) he became the emperor of the North, East, West, and South. After which he performed many other sacrifices. He was married to Bhadra, whom he loved very much, but had no progeny. But soon Vyushitaswa died of phthisis. Bhadra  became afflicted with grief and intended to die along with her husband. But then an incorporeal voice indicated her to have intercourse with the corpse on the eighth and fourteenth day of the fortnight. She followed the guidance of the voice and from that intercourse, she gave birth to seven sons - three Salwas and four Madras.