Jamadagni was killed by the sons of Kartaviryarjuna, as described herein (SB 9.16.9). Lord Parasurama was also infected by sin because of killing Kartaviryarjuna, although this was not very offensive: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.