SB 9.15.37
sva-karma tat krtam ramah
pitre bhratrbhya eva ca
varnayam asa tac chrutva
jamadagnir abhasata
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Parasurama described to his father and brothers his activities in killing Kartaviryarjuna. Upon hearing of these deeds, Jamadagni spoke to his son as follows.