Srimad Bhagavatam Canto 09, Chapter 15, Text 16

SB 9.15.16

sri-rajovaca
kim tad amho bhagavato
 rajanyair ajitatmabhih
krtam yena kulam nastam
 ksatriyanam abhiksnasah
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
King Pariksit inquired from Sukadeva Gosvami: What was the offense that the ksatriyas who could not control their senses committed before Lord Parasurama, the incarnation of the Supreme Personality of Godhead, for which the Lord annihilated the ksatriya dynasty again and again?
Srimad Bhagavatam Canto 09, Chapter 15, Text 15
Srimad Bhagavatam Canto 09, Chapter 15, Text 17-19