Shiva Purana

siva.sh/siva-purana/saturda-samhita/4/30

तत्रापि मम चत्वारो भविष्यन्ति सुता युगे ।। सारस्वतश्च योगीशो मेघवाहः सुवाहनः ।। ३०।।

sanskrit

There also in that aeon, four sons will be born of me viz. Sārasvata, Yogīśa, Meghavāha and Suvāhana.

english translation

tatrApi mama catvAro bhaviSyanti sutA yuge || sArasvatazca yogIzo meghavAhaH suvAhanaH || 30||

hk transliteration by Sanscript