Matsya Purana 203.4

203.4

pratyūṣaśca prabhāsaśca vasavo'ṣṭau prakīrtitāḥ.
dharasya putro draviṇaḥ kālaḥ putro dhruvasya tu .. 203.4 ..

Arundhatī through Dharma begot the eight Vasus and the Somapa Devas who were most mighty and stalwart Dhara, Dhruva, Soma, Apara, Anila Anala, Pratyûṣa, and Prabhāsa were the eight Vasus Draviṇa was the son of Dhara, and Kâla of Dhruva—2-4