Related for Bava Batra 277:21

אמר אביי אי לאו דשלח רבין אנן לא ידעינן והא תנן אלו הן שאין חוזרין ביובל הבכורה

R. Papa said to Raba:<span class="x" onmousemove="('comment',' Who had attempted to prove above, from R. Hiyya's statement, that a husband is regarded as an heir. ');">⁵⁹</span> Is not this<span class="x" onmousemove="('comment',' That a husband has the status of an heir. ');">⁶⁰</span> the very [case] which Rabin had sent in his letter?<span class="x" onmousemove="('comment',' From Palestine to Babylon ');">⁶¹</span> If a person died, [he wrote], and left a widow and a daughter, his widow is to receive her maintenance out of his estate.<span class="x" onmousemove="('comment',' in accordance with his undertaking in the kethubah which is given to one's wife. ');">⁶²</span> [If] the daughter married,<span class="x" onmousemove="('comment',' And thus transferred the estate into her husband's possession. ');">⁶³</span> his widow is [still] to receive her maintenance out of his estate. [If] the daughter died?<span class="x" onmousemove="('comment',' And her husband inherited her possessions. ');">⁶⁴</span> Rab Judah, the son of the sister of R. Jose b. Hanina, said: I had [such] a case, and it was decided<span class="x" onmousemove="('comment',' Lit., 'they said'. ');">⁶⁵</span> [that] his widow is to receive her maintenance out of his estate. [Now,] if it be granted<span class="x" onmousemove="('comment',' Lit., 'you said'. ');">⁶⁶</span> that he<span class="x" onmousemove="('comment',' The husband of the daughter, and so every husband. ');">⁶⁷</span> is [regarded as] an heir,<span class="x" onmousemove="('comment',' Of the property that his wife had brought to him; even during her lifetime. ');">⁶⁸</span> it is quite correct that his widow should be maintained out of his<span class="x" onmousemove="('comment',' Her dead husband's, even if it passed into the possession of her daughter's husband. ');">⁶⁹</span> estate;<span class="x" onmousemove="('comment',' Since the amount required for the maintenance of a widow, may be collected from her husband's heirs. ');">⁷⁰</span> if, however, it is held<span class="x" onmousemove="('comment',' Lit., 'you said'. ');">⁶⁶</span> that he<span class="x" onmousemove="('comment',' The husband of the daughter, and so every husband. ');">⁶⁷</span> is [regarded as] a buyer, why should she be maintained out of his estate!<span class="x" onmousemove="('comment',' Surely a widow's maintenance cannot be collected from the buyers of her husband's property (Cf. Git. 48b) ');">⁷¹</span> Abaye said: Would we not have known [this]<span class="x" onmousemove="('comment',' That a husband is regarded as an heir. ');">⁷²</span> if Rabin had not sent [his letter]? Surely we learnt:<span class="x" onmousemove="('comment',' Bek. 52b. ');">⁷³</span> The following do not return in the Jubilee year:<span class="x" onmousemove="('comment',' When all landed property that has been sold returns to its original owner. V., Lev. XXV, 28, 31. ');">⁷⁴</span> The [portion of] the birthright,

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