SB 9.15.4

जह्नोस्तु पुरुस्तस्याथ बलाकश्चात्मजोऽजकः ।
ततः कुशः कुशस्यापि कुशाम्बुस्तनयो वसुः ।
कुशनाभश्च चत्वारो गाधिरासीत् कुशाम्बुजः ॥४॥

jahnos tu purus tasyātha
balākaś cātmajo 'jakaḥ
tataḥ kuśaḥ kuśasyāpi
kuśāmbus tanayo vasuḥ
kuśanābhaś ca catvāro
gādhir āsīt kuśāmbujaḥ

jahnoḥ - of Jahnu; tu - indeed; puruḥ - a son named Puru; tasya - of Puru; atha - thereafter; balākaḥ - a son named Balāka; ca - and; ātmajaḥ - Balāka's son; ajakaḥ - of the name Ajaka; tataḥ - thereafter; kuśaḥ - Kuśa; kuśasya - of Kuśa; api - then; kuśāmbuḥ - Kuśāmbu; tanayaḥ - Tanaya; vasuḥ - Vasu; kuśanābhaḥ - Kuśanābha; ca - and; catvāraḥ - four (sons); gādhiḥ - Gādhi; āsīt - there was; kuśāmbujaḥ - the son of Kuśāmbu.

Text

The son of Jahnu was Puru, the son of Puru was Balāka, the son of Balāka was Ajaka, and the son of Ajaka was Kuśa. Kuśa had four sons, named Kuśāmbu, Tanaya, Vasu and Kuśanābha. The son of Kuśāmbu was Gādhi.

Purport

Srimad Bhagavatam. Canto 9: Liberation

Chapter 15: Parasurama, the Lord's Warrior Incarnation. Text 4

The son of Jahnu was Puru, the son of Puru was Balāka, the son of Balāka was Ajaka, and the son of Ajaka was Kuśa. Kuśa had four sons, named Kuśāmbu, Tanaya, Vasu and Kuśanābha. The son of Kuśāmbu was Gādhi.