Srimad Bhagavatam Canto 08, Chapter 23, Text 09

SB 8.23.9

sri-bhagavan uvaca
vatsa prahrada bhadram te
 prayahi sutalalayam
modamanah sva-pautrena
 jñatinam sukham avaha
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
The Supreme Personality of Godhead said: My dear son Prahlada, all good fortune unto you. For the time being, please go to the place known as Sutala and there enjoy happiness with your grandson and your other relatives and friends.
Srimad Bhagavatam Canto 08, Chapter 23, Text 08
Srimad Bhagavatam Canto 08, Chapter 23, Text 10