One verse

Srimad Bhagavatam 9.23.6

9.23.6

चक्रु: स्वनाम्ना विषयान् षडिमान् प्राच्यकांश्च ते । खलपानोऽङ्गतो जज्ञे तस्माद् दिविरथस्तत: ॥ ६ ॥

cakruh sva-namna visayan sad iman pracyakams ca te khalapano ’ngato jajne tasmad divirathas tatah

cakruh
they created
sva-namna
by their own names
visayan
different states
sat
six
iman
all these
pracyakan ca
on the eastern side (of India)
te
those (six kings)
khalapanah
Khalapana
angatah
from King Anga
jajne
took birth
tasmat
from him (Khalapana)
divirathah
Diviratha
tatah
thereafter.

These six sons, headed by Anga, later became kings of six states in the eastern side of India. These states were known according to the names of their respective kings. From Anga came a son named Khalapana, and from Khalapana came Diviratha.