Srimad-Bhagavatam: Canto 12 - Chapter 1 - Verse 24
Sanskrit:
रामस्य कोशलेन्द्रस्य चरितं किल्बिषापहम् ।निमेरङ्गपरित्यागो जनकानां च सम्भव: ॥ २४ ॥
ITRANS:
rāmasya kośalendrasyacaritaṁ kilbiṣāpahamnimer aṅga-parityāgojanakānāṁ ca sambhavaḥ
Translation:
The Bhāgavatam narrates the sanctifying pastimes of Lord Rāmacandra, the King of Kośala, and also explains how King Nimi abandoned his material body. The appearance of the descendants of King Janaka is also mentioned.