Srimad Bhagavatam Canto 09, Chapter 02, Text 33

SB 9.2.33

visalah sunyabandhus ca
 dhumraketus ca tat-sutah
visalo vamsa-krd raja
 vaisalim nirmame purim
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
Trnabindu had three sons, named Visala, Sunyabandhu and Dhumraketu. Among these three, Visala created a dynasty and constructed a palace called Vaisali.
Srimad Bhagavatam Canto 09, Chapter 02, Text 32
Srimad Bhagavatam Canto 09, Chapter 02, Text 34