Marriages between monied Americans and noble Englishmen were not unusual in the 19th and early 20th century as new series, Million Dollar Princesses, currently airing on ITV3, shows. Many of the unions changed the course of history, like Lady Jennie Churchill, left, mother to Winston Churchill, Wallis Simpson, centre, who caused the abdication crisis, and Lady Astor, right, who became the first female MP in the House Of Commons.