Marriages between monied American women and noble Englishmen in the 19th and early 20th century produced many famous offspring, including Princess Diana and Winston Churchill.
While some heiresses found love as well as peerage in crossing the Atlantic, others were marriages of convenience -
English Lords needed 'new money' to rescue crumbling fortunes.
New series, Million Dollar Princesses, on Britain's ITV3 reveals, some of these unions would change the course of history - including putting Queen Elizabeth on the throne. continue
Frances 'Fanny' Work, an American heiress, was Princess Diana's ancestor
Jennie Jerome, a society beauty born in Brooklyn married Lord Randolph Churchill and is best known as the mother of British prime minister Winston Churchill
Princes William and Harry are also descended from Windsor, Protestant German aristocrats or Hanoverian of the House of Welf, that dates back to Charlemagne, one of the oldest princely houses in Europe.
A clear genetic link to the world's most populous nation, India, was made through Eliza Kewark, Prince William's great-great-great-great-great-grandmother, long described as Armenian, Kewark was of, at the least, half-Indian blood. Genetic ancestry testing company, BritainsDNA, announced its findings two years ago.
American Lady Nancy Astor, wife of Viscount William Waldorf Astor, became the first female MP in the House of Commons
|Chicago-born Mary Leiter married Lord Curzon of Kedleston, Viceroy of India in 1895|