Agnipurana 151.11

151.11

caṇḍālo brāhmaṇīputraḥ śūdrācca pratilomataḥ /
sūtastu kṣatriyājjāto vaiśyādvai devalas tathā //

A Caṇḍāla is born against the natural order from a Śūdra by a Brahmin woman; / a Sūta is born from a Kṣatriya woman, and a Devala from a Vaiśya woman;