Reference for Yevamot 233:10
<big><strong>גמ׳</strong></big> איבעיא להו בת חמיה מהו טעמא דבת חמותה משום דאיכא אימא דסניא לה היא נמי סניא לה והכא ליכא אימא דסניא לה
[the number should] be six!<span class="x" onmousemove="('comment',' Since our Mishnah had enumerated five others. From this then it may be inferred that the daughter of a father-in-law is eligible. ');"><sup>33</sup></span> — It is possible that the reason [for the ineligibility] of the daughter of her mother-in-law is because she<span class="x" onmousemove="('comment',' The daughter. ');"><sup>34</sup></span> believes that the other squanders the savings of her mother<span class="x" onmousemove="('comment',' So BaH. Cur. edd., 'of the father-in-law'. ');"><sup>35</sup></span> [and, therefore] there is no difference between the daughter of her mother-in-law and the daughter of her father-in-law.<span class="x" onmousemove="('comment',' Both, therefore, may be regarded as one. Hence the number five, ');"><sup>36</sup></span>