Verses on Sāṃkhya 2.2

2.2

duḥkhatrayeti / asyā āryyāyā upodghātaḥ kriyate / iha bhagavānbrahmasutaḥ kapilo nāma / tadyathā -
sanakaśca sanandaśca tṛtīyaśca sanātanaḥ /
āsuriḥ kapilaścaiva voḍhuḥ pañcaśikhastathā /
ityete brahmaṇaḥ putrāḥ sapta proktā maharṣayaḥ //

“From the threefold suffering”—an introduction to this āryā verse is now made. Here, the venerable son of Brahmā was named Kapila. As it is said:
“Sanaka, Sananda, and third, Sanātana,
Āsuri, Kapila, Voḍhu, and likewise Pañcaśikha—
these seven great seers are declared to be the sons of Brahmā.”