Mahabharata 9.48.11

यत्रानयामास तदा राजसूयं महीपतेपुत्रोऽदितेर्महाभागो वरुणो वै सितप्रभः

yatrānayāmāsa tadā rājasūyaṃ mahīpateputro'ditermahābhāgo varuṇo vai sitaprabhaḥ

Our plain-language meaning of this verse is waiting for scholar review.