Alfes - "from Fes" from City of Fes, Fez in Morocco https://en.wikipedia.org/wiki/Isaac_Alfasi
The small Town of Alfes in Catalonia, Spain https://en.wikipedia.org/wiki/Alf%C3%A9s http://www.alfes.cat/
There is also a big group of German Alfes from Olpe, North-Rhineland-Westphalia, Germany. - https://en.wikipedia.org/wiki/Olpe,_Germany