Skandapurana 5.124.7

5.124.7

bahu putrasya caikā sā sarvalakṣaṇalakṣitā ..
tasmātkarṇotpalānāma jāyatāṃ dvijasattamāḥ .. 7 ..

She is the only daughter of [me] who have many sons, marked with all auspicious signs; / therefore, O best of the twice-born, let her name be Karṇotpalā.”