SB 7.7.13

tathety avātsīd devarṣer
 antike sākuto-bhayā
yāvad daitya-patir ghorāt
 tapaso na nyavartata
Word for word: 
tathā — so be it; iti — thus; avātsīt — lived; deva-ṛṣeḥ — Devarṣi Nārada; antike — near; — she (my mother); akuto-bhayā — without fear from any direction; yāvat — as long as; daitya-patiḥ — my father, Hiraṇyakaśipu, the lord of the demons; ghorāt — from very severe; tapasaḥ — austerities; na — not; nyavartata — ceased.
Translation: 
After accepting the instructions of Devarṣi Nārada, my mother stayed in his care, without fear from any direction, as long as my father, the King of the Daityas, had not become free from his severe austerities.