In the Keset haSofer (1:ד) R' Ganzfried mentions that some hold that a Torah written by a mamzer is passul. In the Lishkat haSofer (ad loc.) he brings that most hold that there is no problem for a mamzer to write tefillin and mezuzot. However, the Bi'urei haSofer (part of R' Yaakov Meir Stern's definitive Sefer Mishnat haSofer) mentions that according to many opinions, a mamzer cannot be mekadesh haShem, making them incapable of writing any sta"m.

All of this seems very confusing to my chevruta and me. Now, a few hours after having learned the above, I have the following questions:

  1. Who permits a mamzer to serve as a sofer?

  2. If the mamzer is incapable of sanctifying Hashem's name, how can he write tefillin and mezuzot, per the Lishkat haSofer?

  3. Why can't a mamzer be mekadesh haShem?

  • IIRC this all grew out of a single version of a tosefta of dubious veracity.
    – Double AA
    Commented Sep 24, 2015 at 18:12
  • See sefaria.org.il/…,Yoreh_De%27ah--_Wikisource&lang=bi&with=all&lang2=en to backup DoubleAA's claim. Commented Nov 1, 2018 at 12:15
  • See sefaria.org.il/… for other opinions and other reasons for forbidding it. Commented Nov 1, 2018 at 12:15


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