Srimad-Bhagavatam: Canto 6 - Chapter 1 - Verse 11
Sanskrit:
तस्य भार्यासहस्राणां सहस्राणि दशाभवन् ।सान्तानिकश्चापि नृपो न लेभे तासु सन्ततिम् ॥ ११ ॥
ITRANS:
tasya bhāryā-sahasrāṇāṁsahasrāṇi daśābhavansāntānikaś cāpi nṛpona lebhe tāsu santatim
Translation:
This Citraketu had ten million wives, but although he was capable of producing children, he did not receive a child from any of them. By chance, all the wives were barren.