Meyer Gershenowitz married Toba Besser, my grandmother’s sister.  Email from Howard Mirsky:

David:Well, I looked over the links you sent and was very impressed.  I’m pretty certain that this is a real connection.   Here’s the story:

Meyer is one of 5 children from Czestochowa.  (Spellings vary with documents.)

1.    Harry Gershanowitz
2.    Meyer (Max) Gershenowitz
3.    David Gershanowitz
4.    Chaje  Gershanowitz
5.    [...]