Srimad Bhagavatam Canto 09, Chapter 23, Text 05

SB 9.23.5

anga-vanga-kalingadyah
 suhma-pundraudra-samjñitah
jajñire dirghatamaso
 baleh ksetre mahiksitah
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
By the semen of Dirghatama in the wife of Bali, the emperor of the world, six sons took birth, namely Anga, Vanga, Kalinga, Suhma, Pundra and Odra.
Srimad Bhagavatam Canto 09, Chapter 23, Text 03-04
Srimad Bhagavatam Canto 09, Chapter 23, Text 06