Skanda Purana 5.18.9

5.18.9

..rājovāca .. ..
sarveṣāṃ dehi nāṃ nāma jāyate pitṛmātṛjam ..
kimetatkāraṇaṃ yena sarve yūyaṃ svanāmakāḥ .. 9 ..

The king said: / “The name of every embodied being is given by father and mother; / what is the reason that all of you have such self-coined names?”