Reference for Keritot 29:27

מה לה' נדות שכן גופין מוחלקין

can arise in the case of a wicked man the son of a wicked man;<span class="x" onmousemove="('comment',' I.e. this case can be construed only if the father of the offender had committed incest on two occasions, from which connections this woman as well as the man resulted.');">¹⁶</span>

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