Mahabharata 1.57.94

गान्धारराजपुत्रोऽभूच्छकुनिः सौबलस्तथादुर्योधनस्य माता च जज्ञातेऽर्थविदावुभौ

gāndhārarājaputro'bhūcchakuniḥ saubalastathāduryodhanasya mātā ca jajñāte'rthavidāvubhau

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