Reference for Yevamot 228:10
<br><br><big><strong>הדרן עלך חרש</strong></big><br><br>
AND THE OTHER DEAF, AND THE BROTHER OF SOUND SENSES, THE HUSBAND OF THE DEAF SISTER. DIED, WHAT SHOULD THE BROTHER OF SOUND SENSES, THE HUSBAND OF [THE SISTER WHO WAS] OF SOUND SENSES, DO? [NOTHING; SINCE HIS SISTER-IN-LAW] IS EXEMPT AS HIS WIFE'S SISTER. IF THE BROTHER OF SOUND SENSES, THE HUSBAND OF [THE SISTER WHO WAS] OF SOUND SENSES. DIED, WHAT SHOULD THE BROTHER OF SOUND SENSES, THE HUSBAND OF THE DEAF SISTER, DO? — HE MUST DIVORCE HIS WIFE BY A LETTER OF DIVORCE, AND [RELEASE] HIS BROTHER'S WIFE BY <i>HALIZAH</i>. But why must he DIVORCE HIS WIFE BY A LETTER OF DIVORCE? Let her continue to live with him [since she is only like] a minor who eats <i>nebelah</i>!<span class="x" onmousemove="('comment',' Cf. supra p. 805. n. 9. ');"><sup>15</sup></span> — Owing to the prohibition that is imposed upon him.<span class="x" onmousemove="('comment',' He is of sound senses and in possession of his faculties. Cf. supra p. 805, n. 10, mutatis mutandis. ');"><sup>16</sup></span>