SB 9.23.11
brhadratho brhatkarma
brhadbhanus ca tat-sutah
adyad brhanmanas tasmaj
jayadratha udahrtah
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
The sons of Prthulaksa were Brhadratha, Brhatkarma and Brhadbhanu. From the eldest, Brhadratha, came a son named Brhanmana, and from Brhanmana came a son named Jayadratha.