Reference for Gittin 109:15

אמרי ליה רבנן לעולא והאנן מפני תיקון המזבח תנן אמר להם כיון דכהנים עצבין נמצא מזבח בטל

What is the reason? — As a precaution against a deaf-mute priest giving a deaf-mute woman [<i>terumah</i>] to eat.<span class="x" onmousemove="('comment',' The marriage of a deaf-mute priest to a deaf-mute woman was valid only by Rabbinical rule, and therefore she was not permitted to eat terumah. ');">¹²</span>

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