Reference for Sotah 53:1

דומה ואל ישא בת דומה שזו באה מטיפה כשרה וזו באה מטיפה פסולה

a woman of ill-repute rather than the daughter of a woman of ill-repute, since the former comes from pure stock and the latter from impure stock.<span class="x" onmousemove="('comment',' [As it is not known with whom the mother had relation.] ');">¹</span>

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