Jaimini Ṛṣi, the authority of the Sāma Veda, had a son named Sumantu, and the son of Sumantu was Sutvān. The sage Jaimini spoke to each of them a different part of the Sāma-veda-saṁhitā.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
जैमिनेः सामगस्यासीत्सुमन्तुस्तनयो मुनिः । सुन्वांस्तु तत्सुतस्ताभ्यामेकैकां प्राह संहिताम्
jaimineḥ sāmagasyāsītsumantustanayo muniḥ | sunvāṃstu tatsutastābhyāmekaikāṃ prāha saṃhitām
SB 12.6.75