Mahabharata 13.28.7

द्विजातेः कस्यचित्तात तुल्यवर्णः सुतः प्रभुःमतङ्गो नाम नाम्नाभूत्सर्वैः समुदितो गुणैः

dvijāteḥ kasyacittāta tulyavarṇaḥ sutaḥ prabhuḥmataṅgo nāma nāmnābhūtsarvaiḥ samudito guṇaiḥ

Our plain-language meaning of this verse is waiting for scholar review.