Samvartta Smriti 159

159

pitṛdārāḥ samāruhya mātṛvarjaṃ narādhamaḥ
bhaginīṃ mātulasutāṃ svasāraṃ cānyamātṛjām
etāstisraḥ striyo gatvā taptakṛcchraṃ samācaret

A vile man, having mounted his father's wives, excluding his mother, / or his sister, his maternal uncle's daughter, or a sister born of another mother— / having had intercourse with these three women, he should perform the Taptakṛcchra penance.