Mahabharata 1.1.31
प्राचेतसस्तथा दक्षो दक्षपुत्राश्च सप्त येततः प्रजानां पतयः प्राभवन्नेकविंशतिः
prācetasastathā dakṣo dakṣaputrāśca sapta yetataḥ prajānāṃ patayaḥ prābhavannekaviṃśatiḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book