Your heritage does not depend on your looks. I'm an Egyptian you may think I'm dark and have dark hair. Your right, I do, I have really dark brown hair and olive oil skin. But a lot of my family have red hair, pale skin, and blue and hazel eyes. This is just a feature spread by the nordic culture. I do not consider myself to have celtic or nordic blood in my family. I purely state that I have Egyptian roots. Remember Vikings spread their influences very far because of great navigational skills and ships. Nords have undoubtedly been to the Mediterranian, and maybe longer ago than we think. Remember King Ramesese has been proven to have red hair even through dna testing, and I'm sure even more Italians have this.