among the first yadu Dynasty there was a great king bhajman, whose son was king prithiku, prithiku grend son was shursen, who conquered the nine pieces of the earth and spread his light in the world like sun. He lived in mathurapuri and ruled over mathurdesh and shursen. His queen was named marisha, who had ten son's and five daughters. The eldest son of them was named vasudeva whose wife devaki. When vasudev left for his home after getting married to devki, a voice was heard from the sky that in her eighth pregnancy, the one who would destroy kansa ( demon King ) would be born.