Srimad-Bhagavatam: Canto 9 - Chapter 1 - Verse 14
Sanskrit:
योऽसमञ्जस इत्युक्त: स केशिन्या नृपात्मज: ।तस्य पुत्रोशुमान् नाम पितामहहिते रत: ॥ १४ ॥
ITRANS:
yo ’samañjasa ity uktaḥsa keśinyā nṛpātmajaḥtasya putro ’ṁśumān nāmapitāmaha-hite rataḥ
Translation:
Among the sons of Sagara Mahārāja was one named Asamañjasa, who was born from the King’s second wife, Keśinī. The son of Asamañjasa was known as Aṁśumān, and he was always engaged in working for the good of Sagara Mahārāja, his grandfather.