From the womb of Vāsanā, the wife of Arka, came many sons, headed by Tarṣa. Dhārā, the wife of the Vasu named Agni, gave birth to many sons, headed by Draviṇaka.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
अर्कस्य वासना भार्या पुत्रास्तर्षादयः स्मृताः । अग्नेर्भार्या वसोर्धारा पुत्रा द्रविणकादयः
arkasya vāsanā bhāryā putrāstarṣādayaḥ smṛtāḥ | agnerbhāryā vasordhārā putrā draviṇakādayaḥ
SB 6.6.13