Mahabharata 3.122.6

तस्य स्त्रीणां सहस्राणि चत्वार्यासन्परिग्रहःएकैव च सुता शुभ्रा सुकन्या नाम भारत

tasya strīṇāṃ sahasrāṇi catvāryāsanparigrahaḥekaiva ca sutā śubhrā sukanyā nāma bhārata

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