Shiva Purana

siva.sh/siva-purana/uma-samhita/4/25

ततः कुम्भात्समुत्पन्नो वसिष्ठो मित्रसंभवः ।। अगस्त्यो वरुणाज्जातो वडवाग्निसमद्युतिः ।। २५।।

sanskrit

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