Srimad-Bhagavatam: Canto 9 - Chapter 1 - Verse 5
तत्पुत्र: केतुमानस्य जज्ञे भीमरथस्तत: ।दिवोदासो द्युमांस्तस्मात् प्रतर्दन इति स्मृत: ॥ ५ ॥
tat-putraḥ ketumān asyajajñe bhīmarathas tataḥdivodāso dyumāṁs tasmātpratardana iti smṛtaḥ
The son of Dhanvantari was Ketumān, and his son was Bhīmaratha. The son of Bhīmaratha was Divodāsa, and the son of Divodāsa was Dyumān, also known as Pratardana.