Mbh 15.1.4a

"Vaisampayana said, 'Having got back their kingdom, the high-souled Pandavas, their foes all slain, ruled the Earth, placing Dhritarashtra at their head. Vidura, and Sanjaya and Yuyutsu of great intelligence, who was Dhritarashtra's son by his Vaisya wife, used to wait upon Dhritarashtra. The Pandavas used to take the opinion of that king in all matters. Indeed, for ten and five years, they did all things under the advice of the old king. Those heroes used very often to go to that monarch and sit beside him, after having worshipped his feet, agreeably to the wishes of king Yudhishthira the just. They did all things under the command of Dhritarashtra who smelt their heads in affection. The daughter of king Kuntibhoja also obeyed Gandhari in everything. Draupadi and Subhadra and the other ladies of the Pandavas behaved towards the old king and the queen as if they were their own father-in-law and mother-in-law. Costly beds and robes and ornaments, and food and drink and other enjoyable articles, in profusion and of such superior kinds as were worthy of royal use, were presented by king Yudhishthira unto Dhritarashtra. Similarly Kunti behaved towards Gandhari as towards a senior. Vidura, and Sanjaya, and Yuyutsu, O thou of Kuru's race, used to always wait upon the old king whose sons had all been slain. The dear brother-in-law of Drona, viz., the very superior Brahmana, Kripa, that mighty bowman, also attended upon the king. The holy Vyasa also used to often meet with the old monarch and recite to him the histories of old Rishis and celestial ascetics and Pitris and Rakshasas. Vidura, under the orders of Dhritarashtra, superintended the discharge of all acts of religious merit and all that related to the administration of the law. Through the excellent policy of Vidura, by the expenditure of even a small wealth, the Pandavas obtained numerous agreeable services from their feudatories and followers.