Mahabharata 7.164.87

विश्वामित्रो जमदग्निर्भारद्वाजोऽथ गौतमःवसिष्ठः कश्यपोऽत्रिश्च ब्रह्मलोकं निनीषवः

viśvāmitro jamadagnirbhāradvājo'tha gautamaḥvasiṣṭhaḥ kaśyapo'triśca brahmalokaṃ ninīṣavaḥ

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