Srimad Bhagavatam Canto 09, Chapter 20, Text 07

SB 9.20.7

tasya medhatithis tasmat
 praskannadya dvijatayah
putro ’bhut sumate rebhir
 dusmantas tat-suto matah
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
The son of Kanva was Medhatithi, whose sons, all brahmanas, were headed by Praskanna. The son of Rantinava named Sumati had a son named Rebhi. Maharaja Dusmanta is well known as the son of Rebhi.
Srimad Bhagavatam Canto 09, Chapter 20, Text 06
Srimad Bhagavatam Canto 09, Chapter 20, Text 08-09