Mahabharata 12.49.3
जह्नोरजह्नुस्तनयो बल्लवस्तस्य चात्मजःकुशिको नाम धर्मज्ञस्तस्य पुत्रो महीपतिः
jahnorajahnustanayo ballavastasya cātmajaḥkuśiko nāma dharmajñastasya putro mahīpatiḥ
Our plain-language meaning of this verse is waiting for scholar review.