Markandeyapurana 37.6

And there were born to him sons, mighty and valiant, righteous in soul, magnanimous, who were adversaries to evil conduct. And he amassed wealth by means of righteousness, and righteousness again by means of wealth; and since those two things are not antagonistic, he enjoyed even the pleasures of sense. Thus many years passed away as if but a single day, while he ruled the earth, devoted to righteousness, wealth and the gratification of his desires. No feelings of indifference occurred while he enjoyed his loved objects of sense; nor again did he grow satiated in amassing righteousness and wealth.

His brother Subāhu, who roamed the forests, heard that he was thus besotted in his attachment to pleasure, and uncontrolled in his senses. The prince, being desirous of admonishing him, pondered long and concluded that an alliance on his part with the king’s enemies would be beneficial to the king. Then he cleverly made repeated visits to the king of Kāśī, who had numerous armies and chariots, as his protector, in order to regain his kingdom.