Reference for Bava Batra 66:2

זה אומר של אבותי וזה אומר של אבותי האי אייתי סהדי דאבהתיה הוא והאי אייתי סהדי דאכל שני חזקה

[A case arose] in which one said, ['The land belonged] to my father,' and another said 'To my father,' but while the one brought witnesses to prove that it had belonged to his father [up to the time of his death], the other brought witnesses to prove that he had had the use of it for the period of <i>hazakah</i>.<span class="x" onmousemove="('comment',' I.e., not less than three years. ');">²</span>

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