Dhritarashtra | Revolvy
During his tenure Pandu made a mistake of accidentally killing a rishi couple and . He was the biological son of Dhritarashtra (who belonged to the Kuru race), .. possibly accepted this truce and with the advice of Lord Krishna and with the. Pandu became king, for Dhritarashtra, owing to the blindness, and Vidura, for his . So we have to assume that Vyas had relations with the Shudra lady thinking she is . Thus, calling Krishna-Dvaipayana for Niyoga on Satyavati's advice was . Bhima's marriage The blind son was named Dhritarashtra and the pale one was named Pandu. Ambika was willing once more and accepted the advice.
Even after one year, could Satyavati send Ambika to Dwaipayana for the second time?
That Satyavati would want to send Ambika to Vyasa for a second time, and that Vyasa would agree to that is impossible, because a second time Niyoga was not permitted by the same person. If Dwaipayana had his first sexual encounter with Ambika, he is supposed to look at Ambika as his daughter-in-law thereafter.
On failure of issue by her husband a woman who has been authorised, may obtain, in the proper manner prescribedthe desired offspring by cohabitation with a brother-in-law or with some other Sapinda of the husband. He who is appointed to cohabit with the widow shall approach her at night anointed with clarified butter and silent, and beget one son, by no means a second.
Some sagesversed in the law, considering the purpose of the appointment not to have been attained by those two on the birth of the firstthink that a second son may be lawfully procreated on such women.
Sanjaya - Wikipedia
But when the purpose of the appointment to cohabit with the widow bas been attained in accordance with the law, those two shall behave towards each other like a father and a daughter-in-law.
If those two being thus appointed deviate from the rule and act from carnal desire, they will both become outcasts, as men who defile the bed of a daughter-in-law or of a Guru. Besides, birth of a blind son does not mean that the purpose of Niyoga has failed.
We find many references of blind sages in Hindu scriptures. One example is Dirghatama, and this case was cited by Bhisma himself. Was she such a fool to think that she could deceive him?Death of Dhritarashtra, Kunti, Gandhari - Tales from Mahabharata
Even if the Dasi was sent to him, having known Ambika, why would he have intercourse with her? Are we to suppose then that Dwaipayana knowingly had sexual union with a Dasi — just for pleasure? Dwaipayana could not have sexual intercourse with the Shudra maiden knowingly, because such action was prohibited for a Brahmana. He should, having done such an act, undergo expiation according to the rites laid down in the scriptures.
That expiation must be twice heavier or severer if in consequence of such an act, O Yudhishthira, the Brahmana gets offspring: So Bhishma went to the Swayamvara kidnapped the three princesses. As I discuss in my answer herehe released the eldest princess Amba, a decision that would later have devastating consequences.
In any case, Vichitravirya married Ambika and Ambalika, but almost immediately thereafter he died of a disease. So now the kingdom faced an uncertain future, because Vichitravirya and Chitrangadu was dead, and Bhishma could not have children, which meant there was no prospect of heirs to the throne. So Shantanu's widow Satyavati sent for the sage Vyasa, a son she had with the sage Parashara before she met Shantanu, and told him to father sons with the two queens.
Now Vyasa, being an ascetic, didn't pay much attention to his appearance, so the queens were quite hesitant to have children with him. As described in the Adi Parva of the Mahabharata, Ambika closed her eyes the whole time, so Vyasa got angry and put a curse on her that she would have a blind son, Dhritharashtra. And Ambalika was pale the whole time, so Vyasa put a curse on her that her son Pandu would have leprosy.
On the other hand, Ambika's maidservant was eager to have a child with such an illustrious sage, so Vyasa fathered a child with her as well, Vidura.
So yes, this does mean that biologically the Kauravas were the grandchildren of Vyasa, since they were the sons of Dhritarashtra and Gandhari. But that doesn't mean that the Pandavas are the grandsons of Vyasa as well. You see, although the Pandavas were the sons of Kunti and Madri, the two wives of Pandu, they are not in fact Pandu's biological children.
Pandu had incurred a curse that he could not touch any woman with desire. So Kunti used a special mantra she had acquired from the sage Durvasa which allowed you to have children with any god.