They heard that Kunti with her sons had been formerly burnt to death in the lac house; therefore those kings regarded the Pandavas as men who had come back from the dead.
सपुत्रा हि पुरा कुन्ती दग्धा जतुगृहे श्रुता। पुनर्जातानिव च तांस्तेऽमन्यन्त नराधिपाः॥