Garudapurana 2.47.49

2.47.49

harirbhāgīrathī viprā viprā bhāgīrathī hariḥ /
bhāgīrathī harirviprāḥ sārametajjagattraye //

Hari is the Bhāgīrathī, O twice-born; the twice-born are the Bhāgīrathī and Hari; / the Bhāgīrathī, Hari, and the twice-born are the essence in the three worlds.”