Mahabharata 1.99.1

भीष्म उवाच · bhīṣma uvāca

पुनर्भरतवंशस्य हेतुं संतानवृद्धयेवक्ष्यामि नियतं मातस्तन्मे निगदतः शृणु

punarbharatavaṃśasya hetuṃ saṃtānavṛddhayevakṣyāmi niyataṃ mātastanme nigadataḥ śṛṇu

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