SB 11.2.16

tam āhur vāsudevāṁśaṁ
 mokṣa-dharma-vivakṣayā
avatīrṇaṁ suta-śataṁ
 tasyāsīd brahma-pāragam
Synonyms: 
tam — Him; āhuḥ — they call; vāsudeva-aṁśam — a plenary expansion of the Supreme Lord, Vāsudeva; mokṣa-dharma — the process of attaining liberation; vivakṣayā — with the desire to teach; avatīrṇam — appeared in this world; suta — sons; śatam — one hundred; tasya — His; āsīt — there were; brahma — the Vedas; pāra-gam — who perfectly assimilated.
Translation: 
Śrī Ṛṣabhadeva is accepted as an expansion of the Supreme Lord, Vāsudeva. He incarnated in this world to propagate those religious principles that lead living entities to ultimate liberation. He had one hundred sons, all perfect in Vedic knowledge.