p. 308
हे धृतराष्ट्र, अहमेवास्मि वो युष्माकं माता जनयित्री
In plain words
Dhṛtarāṣṭra, I am your mother — and "yours" here means all of you. I am the one who bore you.
Close to the Sanskrit
O Dhṛtarāṣṭra, I indeed am — vo, that is, of you all — the mother, the one who gave birth.