SB 11.2.15

priyavrato nāma suto
 manoḥ svāyambhuvasya yaḥ
tasyāgnīdhras tato nābhir
 ṛṣabhas tat-sutaḥ smṛtaḥ
Word for word: 
priyavrataḥ — Mahārāja Priyavrata; nāma — by name; sutaḥ — the son; manoḥ svāyambhuvasya — of Svāyambhuva Manu; yaḥ — who; tasya — his; āgnīdhraḥ — (son was) Āgnīdhra; tataḥ — from him (Āgnīdhra); nābhiḥ — King Nābhi; ṛṣabhaḥ — Lord Ṛṣabhadeva; tat-sutaḥ — his son; smṛtaḥ — is so remembered.
Translation: 
Svāyambhuva Manu had a son named Mahārāja Priyavrata, and among Priyavrata’s sons was Āgnīdhra. From Āgnīdhra was born Nābhi, whose son was known as Ṛṣabhadeva.
Purport: 

The genealogical background of the sons of Ṛṣabhadeva is given in this verse.