sentences:  The lack of documentary sources on Macrino who is believed to have been born in Alba has led in the past to many dubious attributions of works from the Piedmont area to this painter.A more thorough critique has allowed to lift some of the uncertainty about his biography.It is now known that he was in fact called Gian Giacomo de 'Alladio and was nicknamed 'Macrino' probably because of his slim and gaunt build.