Skandapurana 5.112.28

5.112.28

teṣāmapi ca catvāri gotrāṇyura gajādbhayāt..
gatāni tatra yatra syustāni pūrvodbhavāni ca .
catuḥṣaṣṭiḥ sthitā tatra pure śeṣā dvijanmanām .. 28 ..

Even among them, four lineages departed from fear of the elephant / to that place where their earlier ancestors dwelt; / the remaining sixty-four of the twice-born stayed in that city. // 28