Bhagavatapurana 10.61.18

10.61.18

dīptimāṃs tāmrataptādyā rohiṇyās tanayā hareḥ /
pradyamnāc cāniruddho 'bhūd rukmavatyāṃ mahā-balaḥ /
putryāṃ tu rukmiṇo rājan nāmnā bhojakaṭe pure //

18. Diptimat, Tamratapta and others were Hari's sons by Rohini. Of Pradyumna, Anirudha was born by Rukmavati and he was endowed with great strength.

19. Rukmavati was the daughter of Rukmin born in the city of Bhojakata. The sons and grandsons of these were many millions, O king; sixteen thousand were the mothers of Krishna's sons.