Reference for Bava Batra 300:5

אשתו דאמר רב יהודה אמר שמואל הכותב כל נכסיו לאשתו לא עשאה אלא אפטרופא

[The case of a] dying man; one's slave; one s wife, one's sons; [and] a woman who keeps her husband away from her estate.<span class="x" onmousemove="('comment',' Lit., 'causes to flee'. ');">⁹</span> 'A dying man' — for we learnt: IF A DYING MAN GAVE ALL HIS PROPERTY, IN WRITING, TO OTHERS, AND LEFT [FOR HIMSELF] SOME [PIECE OF] LAND, HIS GIFT IS VALID. [IF, HOWEVER], HE DID NOT LEAVE [FOR HIMSELF] SOME [PIECE OF] LAND, HIS GIFT IS INVALID.<span class="x" onmousemove="('comment',' Supra 146b; Pe'ah III, 7. ');">¹⁰</span>

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