Srimad-Bhagavatam: Canto 9 - Chapter 1 - Verse 32
Sanskrit:
यस्यामुत्पादयामास विश्रवा धनदं सुतम् ।प्रादाय विद्यां परमामृषिर्योगेश्वर: पितु: ॥ ३२ ॥
ITRANS:
yasyām utpādayām āsaviśravā dhanadaṁ sutamprādāya vidyāṁ paramāmṛṣir yogeśvaraḥ pituḥ
Translation:
After the great saint Viśravā, the master of mystic yoga, received absolute knowledge from his father, he begot in the womb of Ilavilā the greatly celebrated son known as Kuvera, the giver of money.