Reference for Yevamot 47:7

ולא ימחה שמו פרט לסריס ששמו מחוי

that she beareth<span class="x" onmousemove="('comment',' Deut. XXV, 6. ');">¹⁵</span> excludes a woman who is incapable of procreation, since she cannot bear children: shall succeed in the name of his brother,<span class="x" onmousemove="('comment',' Deut. XXV, 6. ');">¹⁵</span> in respect of inheritance.<span class="x" onmousemove="('comment',' Only the brother who marries the widow, and no other brother, is entitled to the inheritance of the deceased. ');">¹⁸</span>

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