Reference for Bekhorot 84:35

אשת טומטום חולצת ולא מתייבמת סברוה דכ"ע כר"ע דאמר

and his brother may marry his wife.<span class="x" onmousemove="('comment',' For if he is a male, then his brother rightly marries her according to the law of yabam (levir) . And if he is a female, then the brother of the tumtum is betrothing an unmarried woman. vnj ost xhrx');">²⁴</span>

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