His father is the stepfather to Princess Tatiana of Greece and Denmark. He also dated actress Kiera Chaplin, who's the granddaughter of Charlie Chaplin. Attilio, a New York man, was last seen at 1:10 am Saturday on the 6000 block of Murphy Way in Malibu. Which is a secluded area with mansions overlooking the Pacific Ocean. He was wearing a blue shirt, gray pants and no shoes