Mahabharata 13.14.57

तथा पुत्रसहस्राणामयुतं च ददौ प्रभुःकुशद्वीपं च स ददौ राज्येन भगवानजः

tathā putrasahasrāṇāmayutaṃ ca dadau prabhuḥkuśadvīpaṃ ca sa dadau rājyena bhagavānajaḥ

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