Mahabharata 1.200.18
सुन्दोपसुन्दावसुरौ भ्रातरौ सहितावुभौआस्तामवध्यावन्येषां त्रिषु लोकेषु विश्रुतौ
sundopasundāvasurau bhrātarau sahitāvubhauāstāmavadhyāvanyeṣāṃ triṣu lokeṣu viśrutau
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book