Shurasena
Shurasena or Shursen/Shursaini was a ruler of Mathura or Sursena Mahajanpada. He was married to a nāga community woman named Marisha. She bore all of his children and was the cause for Vasuki's boon to Bhima. He is stated to be the king after whom the Surasena Kingdom was named and founded.
Shurasena was the father of Samudravijaya, Vasudeva and Kunti He is extensively mentioned in both the Mahabharata and the Puranas as the father of Vasudeva and Kunti.