Reference for Bava Batra 269:11

אביי אמר

because<span class="x" onmousemove="('comment',' Lit., 'if'. ');">²⁰</span> we relaxed [it] in [the case of] a captive woman?<span class="x" onmousemove="('comment',' In this case the captive is entitled to the benefit of the doubt, since there is the assumption that she as a woman protected her chastity and honour. ');">²¹</span> [Thereupon] said Raba to R. Nathan b. Animi: Take this into consideration.<span class="x" onmousemove="('comment',' I.e., do not allow her to marry before complying with the laws of halizah. ');">²²</span> THIS IS MY BROTHER', HE IS NOT BELIEVED. And what do the other [brothers] say? If they say. 'He is our brother', why should he [only] take [a share] with him<span class="x" onmousemove="('comment',' With the brother who acknowledged him. ');">²³</span> in his portion and no more?<span class="x" onmousemove="('comment',' He should receive all equal share with all the brothers. ');">²⁴</span> [If], however, they say, 'He is not our brother', [how will you] explain the latter [clause]: [IF, HOWEVER,] HE ACQUIRED PROPERTY FROM ANOTHER SOURCE, HIS BROTHERS SHARE THE INHERITANCE WITH HIM. [Why should they inherit?] Surely they had declared of him, 'He is not our brother'! — [This law is] required [in the case] only where they say, 'We do not know'.<span class="x" onmousemove="('comment',' He cannot claim a share in their portions since he has no legal proof of the brotherhood. They, however, are entitled to be his heirs since both he and the brother who acknowledged him admitted that they were brothers. ');">²⁵</span> Raba said: This implies [that if a person claims from another], 'You owe me a maneh' and the other replies. 'I do not know, he<span class="x" onmousemove="('comment',' The defendant. ');">²⁶</span> is exempt.<span class="x" onmousemove="('comment',' He need not pay the claim. It is incumbent upon the claimant to produce the proof; v, B.K. 118a; B.M. 97b. ');">²⁷</span> Said Abaye:

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