Reference for Yevamot 44:2

ואחיו הוא לכל דבר: למאי הלכתא ליורשו וליטמא לו

AND IS DEEMED TO BE HIS BROTHER IN EVERY RESPECT. In respect of what, in actual practice? — That he is to be his heir and that he<span class="x" onmousemove="('comment',' Even if he is a priest. Cf. Lev. XXI, 1ff. ');">²</span>

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