Mahabharata 12.201.31

आत्रेयश्च वसिष्ठश्च कश्यपश्च महानृषिःगौतमः सभरद्वाजो विश्वामित्रोऽथ कौशिकः

ātreyaśca vasiṣṭhaśca kaśyapaśca mahānṛṣiḥgautamaḥ sabharadvājo viśvāmitro'tha kauśikaḥ

Our plain-language meaning of this verse is waiting for scholar review.