Srimad Bhagavatam Canto 10, Chapter 48, Text 17

 SB 10.48.17

distya papo hatah kamsah
 sanugo vam idam kulam
bhavadbhyam uddhrtam krcchrad
 durantac ca samedhitam
 
Translation: 
 
[Akrura said:] It is our good fortune that You two Lords have killed the evil Kamsa and his followers, thus delivering Your dynasty from endless suffering and causing it to flourish.
Srimad Bhagavatam Canto 10, Chapter 48, Text 15-16
Srimad Bhagavatam Canto 10, Chapter 48, Text 18