O Mahārāja Parīkṣit, best of the Bhāratas, the constellations named Kṛttikā were all wives of the moon-god. However, because Prajāpati Dakṣa had cursed him to suffer from a disease causing gradual destruction, the moon-god could not beget children in any of his wives.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
कृत्तिकादीनि नक्षत्राणीन्दोः पत्न्यस्तु भारत । दक्षशापात्सोऽनपत्यस्तासु यक्ष्मग्रहार्दितः
kṛttikādīni nakṣatrāṇīndoḥ patnyastu bhārata | dakṣaśāpātso'napatyastāsu yakṣmagrahārditaḥ
SB 6.6.23