One day King Pandu was out hunting, by accident, he killed a Sage and his wife : the dying Sage cursed Pandu : 'You will meet with death the moment you make love to any of your wives !'
To do penance for his sin Pandu decided to spend the rest of his life in exile; but before doing so he returned to Hastinapur where Satyavati, Ambika and Ambalika were eagerly awaiting his return. Once there, he entrusted his Kingdom Dhritarashtra and went to the forest with his wives and lived there a life of complete abstinence. Seeing that Pandu was desirous of having children, Kunti confided to him the story of the boon she had received from Sage Durvasa. Pandu urged Kunti and Madri to use the incantation and thus it was that in time five children (Yudhisthira, Bheem, Arjun, Nakul and Sahadeva) were born to Kunti and Madri. Dhritarashtra had a hundred sons from Gandhari, The eldest being Duryodhana and Dushasana and a Daughter Dushala.
Round about the same time the main protagonist of the epic Lord Krishna was born to Devaki and Vasudeva in Mathura"