Garudapurana 2.25.42

2.25.42

(brāhmaṇyāṃ brāhmaṇājjātaścāṇḍālādadhamaḥ smṛtaḥ ) /
yastu pravrajitājjāto brāhmaṇyāṃ śūdrataśca yaḥ //

One born of an ascetic, and one born from a Śūdra on a Brāhmaṇa woman, / are remembered as lower than a Cāṇḍāla;