Garudapurana 3.24.24

3.24.24

tayā bhaktyā brahmaputratvamāpa jñānaprāptyā tena muktiṃ jagāma /
yo hyaṃbarīṣaḥ śrīnivāsasya bhaktaḥ kṛtvā bhaktiṃ paradeva harau ca //

through that devotion he attained sonship to Brahmā, and through the attainment of knowledge went to liberation. / Ambarīṣa, who was a devotee of Śrīnivāsa, offered devotion to Hari, the Supreme Deity;