Of the two sons, Kasyapa & Purnima, Purnima begot three children, namely Viraja, Visvaga & Devakulya. Devakulya was the water which washed the lotus feet of the Personality of Godhead and which later on transformed into the Ganges of the heavenly planets

Expressions researched:
"My dear Vidura, of the two sons, Kaśyapa and Pūrṇimā, Pūrṇimā begot three children, namely Viraja, Viśvaga and Devakulyā. Of these three, Devakulyā was the water which washed the lotus feet of the Personality of Godhead and which later on transformed into the Ganges of the heavenly planets"

Srimad-Bhagavatam

SB Canto 4

My dear Vidura, of the two sons, Kaśyapa and Pūrṇimā, Pūrṇimā begot three children, namely Viraja, Viśvaga and Devakulyā. Of these three, Devakulyā was the water which washed the lotus feet of the Personality of Godhead and which later on transformed into the Ganges of the heavenly planets.

SB 4.1.14, Translation and Purport

My dear Vidura, of the two sons, Kaśyapa and Pūrṇimā, Pūrṇimā begot three children, namely Viraja, Viśvaga and Devakulyā. Of these three, Devakulyā was the water which washed the lotus feet of the Personality of Godhead and which later on transformed into the Ganges of the heavenly planets.

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