Reference for Keritot 13:4

אחת זו ואחת זו משלמת הקרן ואינה משלמת החומש ומיתתה בשריפה

If she is married to one of those disqualified [for priesthood], she has to pay the principal as well as the additional fifth, and her punishment is death by strangulation.<span class="x" onmousemove="('comment',' Like any other unfaithful wife. By this marriage she herself has become disqualified for priesthood. Even after her husband's death she is not fit to eat terumah.');">³</span>

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