Eloisa, is it not that the name "Reuben" is Jewish which is far different that Ruben, a Spanish name. 
I believe that it is a common mistake by those who have little knowledge of people outside White society to mistake Ruben a Spanish name for "Reuben" a Jewish name.
The tenor of you comment, Eloisa, that  you inserted  in my discussion with Brett seems to me comes from racial discrimination - "are you taking a class in high school" - meaning an uneducated Jew.