What you are looking for is Ximenez prn hee-meh-nez. It is a patronymic, Spanish surname that means Hijo de
Ximun or
Ximena. In English: Son of
Simon.
You are right, Fray
Francisco Ximenez was a Spanish Cardinal who translated "The Popol Vuh" (Mayan culture's sacred book) into Spanish.
Hope this helps,
~Magia~