Mahabharata 9.35.7

वैशंपायन उवाच · vaiśaṃpāyana uvāca

आसन्पूर्वयुगे राजन्मुनयो भ्रातरस्त्रयःएकतश्च द्वितश्चैव त्रितश्चादित्यसंनिभाः

āsanpūrvayuge rājanmunayo bhrātarastrayaḥekataśca dvitaścaiva tritaścādityasaṃnibhāḥ

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