Reference for Yevamot 219:14
מת פקח בעל פקחת מה יעשה חרש בעל חרשת כונס ואינו מוציא לעולם מאי לאו בחרשת מעיקרא וקתני כונס אין
one of whom was in the possession of her faculties and the other deaf,<span class="x" onmousemove="('comment',' I.e., deaf-mute. ');"><sup>57</sup></span> and the deaf [brother] who was the husband of the deaf woman died, what should [his brother who was] in possession of his faculties, the husband of the woman in possession of her faculties, do? He marries her<span class="x" onmousemove="('comment',' I.e., contracts the levirate marriage by means of signs and gestures. No halizah is permitted since the woman is incapable of reciting the prescribed formulae. ');"><sup>58</sup></span> and if he wishes to send her away,<span class="x" onmousemove="('comment',' After he has married her. ');"><sup>59</sup></span> he may do so.<span class="x" onmousemove="('comment',' Divorcing her, as he married her, by the use of signs and gestures. ');"><sup>60</sup></span> If the [brother] who was in possession of his faculties, the husband of the woman who was in possession of her faculties, died, what should the deaf brother, the husband of the deaf woman do? He marries [the widow] and may never divorce her.<span class="x" onmousemove="('comment',' Infra 112b. The divorce of a man who is not in the possession of all his faculties cannot annul the marriage of his brother who was in the possession of all his faculties and whose marriage, therefore, subjects him to a levirate marriage that can never be annulled. ');"><sup>61</sup></span> Does not this apply to a woman who was originally deaf?<span class="x" onmousemove="('comment',' Probably it does. ');"><sup>62</sup></span> And yet it was stated that he may only marry