SB 9.22.2
tasya putra-satam tesam
yaviyan prsatah sutah
sa tasmad drupado jajñe
sarva-sampat-samanvitah
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Somaka had one hundred sons, of whom the youngest was Prsata. From Prsata was born King Drupada, who was opulent in all supremacy.