ViPur, 4, 20, 38.1 satyavatīniyogāc ca matputraḥ kṛṣṇadvaipāyano mātur vacanam anatikramaṇīyam iti kṛtvā vicitravīryakṣetre dhṛtarāṣṭrapāṇḍū tatprahitabhujiṣyāyāṃ viduraṃ cotpādayāmāsa //