Responsa for Bava Batra 33:9
ומרחיקים את הגפת ואת הזבל ואת המלח ואת הסיד ואת הסלעים מכותלו של חבירו שלשה טפחים (או) סד בסיד מרחיקין את הזרעים ואת המחרישה ואת מי רגלים מן הכותל שלשה טפחים
Our Rabbis taught: Four died through the counsel of the serpent,<span class="x" onmousemove="('comment',' The counsel given by the serpent to Eve, which brought death on all mankind, and not for any sin they themselves committed. [The reference is to physical death only and is thus not to be confused with the doctrine of 'original sin' involving the condemnation of the whole human race to a death that is eternal.] ');"><sup>16</sup></span> namely, Benjamin son of Jacob, Amram the father of Moses, Jesse the father of David, and Kilab the son of David. We know this only from tradition in regard to all of them save Jesse the father of David, in regard to whom it is stated distinctly in the Scripture, as it is written, And Absalom set Amasa over the host instead of Joab. Now Amasa was the son of a man whose name was Isra the Israelite, that went in to Abigal the daughter of Nahash, sister to Zeruiah Joab's mother.<span class="x" onmousemove="('comment',' II Sam. XVII, 25. ');"><sup>17</sup></span>
Teshuvot Maharam
A. B must remove his duct from A's wall for a distance of 3 tefahim (hand-breadths). If the water should, nevertheless, continue to flow into A's house, it is for A to protect his wall by whatever means he sees fit, but he can demand nothing of B.
SOURCES: Cr. 3, 4; Pr. 92; L. 357; Mord. B. B. 520.