Mahabharata 1.61.68

जज्ञिरे वसवस्त्वष्टौ गङ्गायां शंतनोः सुताःवसिष्ठस्य च शापेन नियोगाद्वासवस्य च

jajñire vasavastvaṣṭau gaṅgāyāṃ śaṃtanoḥ sutāḥvasiṣṭhasya ca śāpena niyogādvāsavasya ca

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