Hello can anybody help me with a problem that I have with the death of my Grandfather Please.

His name was Robeno Arditi, or Arditti and he was born in Izmir in Turkey 1880. his father was Moise and his mother was Djmila. He died in Tanger Morocco and was buried in the Jewish cemetery in Fez.His death was some time in the 1940s / 1958s. When he moved to England as a young man he changed his name to Robert Arditti. I am trying to find out more about the date of his death and his grave in Fez, Plus and info that covers his parents and his Grandfather Ephraim Arditti and his Grandmother who's name I don't know; plus any other family from his line.
If anybody can help I will be most grateful.......regards Robert Arditti