Mahabharata 2.8.19
ब्रह्मदत्तस्त्रिगर्तश्च राजोपरिचरस्तथाइन्द्रद्युम्नो भीमजानुर्गयः पृष्ठो नयोऽनघः
brahmadattastrigartaśca rājoparicarastathāindradyumno bhīmajānurgayaḥ pṛṣṭho nayo'naghaḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book