Mahabharata 2.19.6

गौतमः क्षयणादस्मादथासौ तत्र वेश्मनिभजते मागधं वंशं स नृपाणामनुग्रहात्

gautamaḥ kṣayaṇādasmādathāsau tatra veśmanibhajate māgadhaṃ vaṃśaṃ sa nṛpāṇāmanugrahāt

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