Matsyapurana 171.43

171.43

bhavaṃ ca prabhavaṃ caiva hīśaṃ cāsurahaṃ tathā
aruṇaṃ cāruṇiṃ caiva viśvāvasubaladhruvau //

Bhava, Prabhava, Iśâ, Asurahantâ, Aruna, Aruṇi, Viśvâvasu, Bāla, Dhruva Haviṣya, Vītana Vidhâna Samiti, Vatsara, Bhūtī, and Suparvâ were all born of Sâdhya through Dharma, and, similarly, the Devi Sudevî gave birth to the eight Vasus, viz—Dhara, Dhruva, Viśvâvasu, Soma, Âpa, Yama Vâyu, and Nirṛiti It is also heard that dharma begot from Viśvâ the Viśvedevas—43 48