Srimad-Bhagavatam: Canto 4 - Chapter 1 - Verse 44
Sanskrit:
आयतिं नियतिं चैव सुते मेरुस्तयोरदात् ।ताभ्यां तयोरभवतां मृकण्ड: प्राण एव च ॥ ४४ ॥
ITRANS:
āyatiṁ niyatiṁ caivasute merus tayor adāttābhyāṁ tayor abhavatāṁmṛkaṇḍaḥ prāṇa eva ca
Translation:
The sage Meru had two daughters, named Āyati and Niyati, whom he gave in charity to Dhātā and Vidhātā. Āyati and Niyati gave birth to two sons, Mṛkaṇḍa and Prāṇa.