Srimad Bhagavatam Canto 06, Chapter 05, Text 34

SB 6.5.34

etasmin kala utpatan
 bahun pasyan prajapatih
purvavan narada-krtam
 putra-nasam upasrnot
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
At this time, Prajapati Daksa observed many inauspicious signs, and he heard from various sources that his second group of sons, the Savalasvas, had followed the path of their elder brothers in accordance with the instructions of Narada.
Srimad Bhagavatam Canto 06, Chapter 05, Text 33
Srimad Bhagavatam Canto 06, Chapter 05, Text 35