The son that a Shudra begets upon a Brahmani woman is called a Chandala. Begotten upon a Kshatriya woman by a person of the Shudra order, the son is called a Vratye.। He who is born of a Vaishya woman by a Shudra father is called a Vaidya. These three kinds of sons are called Apasada.
चाण्डालो व्रात्यवैद्यौ च ब्राह्मण्यां क्षत्रियासु च। वैश्यायां चैव शूद्रस्य लक्ष्यन्तेऽपसदास्त्रयः॥