Skandapurana 2.9.15.71

2.9.15.71

yatsaṃbandhata eva yānti padavīmuccāṃ mahadbhirnnutāṃ strīśūdrāsuranīcapakṣipaśavaḥ pāpātmajīvā api ..

By connection with whom even women, śūdras, asuras, low birds and beasts, and beings born of sin attain an exalted station praised by the great;