Shiva Purana
ततः कुम्भात्समुत्पन्नो वसिष्ठो मित्रसंभवः ॥ अगस्त्यो वरुणाज्जातो वडवाग्निसमद्युतिः ॥ २५॥
Vasiṣṭha was born out of the pot and is called Mitra’s son. Agastya born of Varuṇa has the lustre of the submarine fire.
english translation
tataH kumbhAtsamutpanno vasiSTho mitrasaMbhavaH ॥ agastyo varuNAjjAto vaDavAgnisamadyutiH ॥ 25॥
hk transliteration by Sanscript