Manusmriti

siva.sh/manusmriti/10/20

द्विजातयः सवर्णासु जनयन्त्यव्रतांस्तु यान् । तान् सावित्रीपरिभ्रष्टान् व्रात्यानिति विनिर्दिशेत् ॥ २० ॥

sanskrit

Those (sons) whom the twice-born beget on wives of equal caste, but who, not fulfilling their sacred duties, are excluded from the Savitri, one must designate by the appellation Vratyas.

english translation

dvijAtayaH savarNAsu janayantyavratAMstu yAn | tAn sAvitrIparibhraSTAn vrAtyAniti vinirdizet || 20 ||

hk transliteration by Sanscript