Katharine Hepburn won her fourth Academy Award for Best Actress for her performance as Eleanor of Aquitaine, Queen consort of King Henry II of England, in Anthony Harvey's The Lion in Winter (1968). But did you know that she was actually a direct descendant of Eleanor and Henry II, who were, in «technical terms,» her 23rd great-grandparents? Here's another interesting fact: Henry II and Eleanor of Aquitaine were also direct ancestors of Olivia de Havilland , Joan Fontaine, Humphrey Bogart and Laurence Olivier via their great-grandson, King Edward I of England, whose children originated the blood lines from which all of these actors (including Kate) descended. This means that Kate, Olivia, Joan, Bogie and Larry are all somehow related. King Edward I of England was Katharine Hepburn's 20th great-grandfather. Edward I (1239-1307) married Eleanor of Castile (1241-1290) in 1254 and together they had at least fourteen children. Their youngest son, future King Edward II ...