Shiva Purana
प्लक्षो दार्भायणिश्चैव केतुमान्गौतमस्तथा ॥ भल्लवी मधुपिंगश्च श्वेतकेतुस्तथैव च ॥ १८ ॥
They were named Plaksha Dārbhayaṇi Ketumān and Gautama Bhallavi Madhuping and Svetaketu.
english translation
plakSo dArbhAyaNizcaiva ketumAngautamastathA ॥ bhallavI madhupiMgazca zvetaketustathaiva ca ॥ 18 ॥
hk transliteration by Sanscript