SB 9.24.41

kaṁsavatyāṁ devaśravasaḥ
 suvīra iṣumāṁs tathā
bakaḥ kaṅkāt tu kaṅkāyāṁ
 satyajit purujit tathā
Word for word: 
kaṁsavatyām — in the womb of Kaṁsavatī; devaśravasaḥ — from Devaśravā, a brother of Vasudeva’s; suvīraḥ — Suvīra; iṣumān — Iṣumān; tathā — as well as; bakaḥ — Baka; kaṅkāt — from Kaṅka; tu — indeed; kaṅkāyām — in his wife, named Kaṅkā; satyajit — Satyajit; purujit — Purujit; tathā — as well as.
Translation: 
Vasudeva’s brother named Devaśravā married Kaṁsavatī, by whom he begot two sons, named Suvīra and Iṣumān. Kaṅka, by his wife Kaṅkā, begot three sons, named Baka, Satyajit and Purujit.