Garudapurana 3.19.70

3.19.70

kalpavāhaḥ sa vijñeyaḥ pitṝṇāṃ prathamaḥ smṛtaḥ /
tasya gatvā gṛhamahaṃ vṛṣabhācalavāsinaḥ /
śivasya varataścaiva tvajeyaḥ khagasattama //

He should be known as Kalpavāha, remembered as the first of the ancestors. / Going to the house of him who lived on Mount Vṛṣabha— / who was invincible, O best of birds, by the boon of Śiva—