Ugrasena

http://en.wikipedia.org/wiki/Ugrasena 

https://www.jatland.com/home/Ugrasena
https://www.youtube.com/results?search_query=Ugrasena

https://www.google.com/search?q=Ugrasena+Garga+Samhita

https://www.google.com/search?q=Ugrasena+Harivamsa+Purana

Childrens

https://harekrishnainfo.blogspot.com/search/label/KamsaSiblings

 Dhrtarastra, Duryodhana, Bhisma, Karna and the five Pandavas came there. Who can count all those who took part in the sacrifice of King Ugrasena

https://freeglobaluniversity.blogspot.com/search/label/PK

Giriraj Govardhan, Yasoda and Sri Radha arrived from Vrindavana along with millions of gopis. 

https://freeglobaluniversity.blogspot.com/search/label/Vrindavan