Shatapatha Brahmana 1.5.1.17

1.5.1.17

vasūnāṃ rātau syāma | rudrāṇāmurvyāyāṃ svādityā aditaye syāmānehasa ityete vai trayā devā yadvasavo rudrā ādityā eteṣāmabhiguptau syāmetyevaitadāha 1.5.1[.1]8 juṣṭāmadya devebhyo vācamudyāsamiti | juṣṭamadya devebhyo 'nūcyāsamityevaitadāha taddhi samṛddhaṃ yo juṣṭaṃ devebhyo 'nubravat

'May we partake of the bounty of the Vasus, of the wide sway of the Rudras! may we be beloved of the Âdityas for the sake of (aditi) security from injury, free from obstruction!'--these, to wit, the Vasus, Rudras, and Âdityas, namely, are three (classes of) gods: 'may we enjoy their protection' he thereby says.