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.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तमाहुर्वासुदेवांशं मोक्षधर्मविवक्षया । अवतीर्णं सुतशतं तस्यासीद्ब्रह्मपारगम्
tamāhurvāsudevāṃśaṃ mokṣadharmavivakṣayā | avatīrṇaṃ sutaśataṃ tasyāsīdbrahmapāragam
SB 11.2.16