Commentary for Bava Metzia 118:11

From the house of the father of my father: From the house of the patriarch of the family. As she was the daughter of leaders (nesiim), and they are from the House of David.

From the house of the father of my father: [Rashi] explained, "From the House of David, the patriarch of the family. As she was the daughter of leaders (nesiim), and they are from the House of David."

Except for the gates of mistreatment: Since [it refers to] the pain of the heart; and it is close to [causing] tears to come down.

Except for the gates of mistreatment: [Rashi continues to explain,] "Since [it refers to] the pain of the heart; and it is close to [causing] tears to come down." It is implied [that he explained it this way] because it is derived earlier (59a:5) from a verse in Tehillim (Psalms 39:13). But he forced this for no reason. As behold Rav Chisda expounded earlier (59a:7) explicitly from that which it is written (Amos 7:7), "behold, the Lord stood upon a wall built with a plumb line" (the term for mistreatment and the term for plumb line are spelled in a similar manner). But perhaps she received [the tradition] from the House of Rabban Gamliel [the Elder], as he was the patriarch of the family; and it was not said about David. It is as we find (Rosh HaShanah 25a) also, that Rabban Gamliel said, "I received it from the house of the father of my father, that sometimes [the new moon] comes by a long [path]."