Srimad-Bhagavatam: Canto 6 - Chapter 1 - Verse 34
Sanskrit:
एतस्मिन् काल उत्पातान् बहून् पश्यन् प्रजापति: ।पूर्ववन्नारदकृतं पुत्रनाशमुपाशृणोत् ॥ ३४ ॥
ITRANS:
etasmin kāla utpātānbahūn paśyan prajāpatiḥpūrvavan nārada-kṛtaṁputra-nāśam upāśṛṇot
Translation:
At this time, Prajāpati Dakṣa observed many inauspicious signs, and he heard from various sources that his second group of sons, the Savalāśvas, had followed the path of their elder brothers in accordance with the instructions of Nārada.