For better or worse, what we are is often determined by our family; the events that occurred many years before we were born, and the choices that were made by our forebears are our inheritance - we are the inexorable product of family history. So it is with nations. The history of Great Britain has been largely defined by powerful and influential families, many of whose names have come down to us from Celtic, Danish, Saxon or Norman ancestors. Their family names fill the pages of our history books; they are indelibly written into the events which we learned about at school. Iconic family...