SB 9.1.41
tasyotkalo gayo rajan
vimalas ca trayah sutah
daksina-patha-rajano
babhuvur dharma-vatsalah
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
O King, Sudyumna had three very pious sons, named Utkala, Gaya and Vimala, who became the kings of the Daksina-patha.