Pitṛgaṇa-Vibhāga (Classification of the Pitṛs) and the Śrāddha–Soma Nourishment Cycle
पराशरकुलोद्भूतः शुको नाम महातपाः / स तस्यां पितृकन्यायां पीवर्यां जनयद्विभुः
parāśarakulodbhūtaḥ śuko nāma mahātapāḥ / sa tasyāṃ pitṛkanyāyāṃ pīvaryāṃ janayadvibhuḥ
From the lineage of Parāśara arose the great ascetic named Śuka. That mighty Lord caused him to be born in Pīvarī, the daughter of the Pitṛs.