Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/17/68

अस्य वंशेऽष्टमो भावी नन्दो नाम महायशाः ।। प्राप्स्यते तस्य पुत्रत्वं कृष्णो नारायणस्स्वयम् ।। ६८ ।।

sanskrit

In his race, in the eighth generation, there will be a famous cowherd Nanda. Viṣṇu himself will be born as his son, Kṛṣna.

english translation

asya vaMze'STamo bhAvI nando nAma mahAyazAH || prApsyate tasya putratvaM kRSNo nArAyaNassvayam || 68 ||

hk transliteration by Sanscript