SB 9.24.52

devarakṣitayā labdhā
 nava cātra gadādayaḥ
vasudevaḥ sutān aṣṭāv
 ādadhe sahadevayā
Word for word: 
devarakṣitayā — by the wife named Devarakṣitā; labdhāḥ — achieved; nava — nine; ca — also; atra — here; gadā-ādayaḥ — sons headed by Gadā; vasudevaḥ — Śrīla Vasudeva; sutān — sons; aṣṭau — eight; ādadhe — begot; sahadevayā — in the wife named Sahadevā.
Translation: 
By the semen of Vasudeva in the womb of Devarakṣitā, nine sons were born, headed by Gadā. Vasudeva, who was religion personified, also had a wife named Sahadevā, by whose womb he begot eight sons, headed by Śruta and Pravara.