Mahabharata 3.287.24

वसुदेवस्य भगिनी सुतानां प्रवरा ममअग्र्यमग्रे प्रतिज्ञाय तेनासि दुहिता मम

vasudevasya bhaginī sutānāṃ pravarā mamaagryamagre pratijñāya tenāsi duhitā mama

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