It is a curiosity of human nature that people often seize on only part of who they are to explain who they are. They take one aspect of themselves and present it as a public image. The part emphasised will normally be that believed to have the potential to attract the greatest attention or admiration. Take family descent. We are all a product of various family streams. If one of those families is more renowned than the others it is that one, if any, the individual will want people to know about. We had some next-door neighbours when I was…