Mahabharata 13.47.45
भूयान्स्यात्क्षत्रियापुत्रो वैश्यापुत्रान्न संशयःभूयस्तेनापि हर्तव्यं पितृवित्ताद्युधिष्ठिर
bhūyānsyātkṣatriyāputro vaiśyāputrānna saṃśayaḥbhūyastenāpi hartavyaṃ pitṛvittādyudhiṣṭhira
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book