 Three years later, in June 1566, as a witness to a contract, he signed his name in Greek as ("Master Ménegos Theotokópoulos, painter").Most scholars believe that the Theotokópoulos "family was almost certainly Greek Orthodox", although some Catholic sources still claim him from birth.Like many Orthodox emigrants to Catholic areas of Europe, some assert that he may have transferred to Catholicism after his arrival, and possibly practiced as a Catholic in Spain, where he described himself as a "devout Catholic" in his will.