DAISY GOODWIN ON DOLLAR PRINCESSES from THE DAILY BEAST/NEWSWEEK link to full article here.
From Ancestry Worship Genealogy: OK, Winston Churchill had American blood and so did Lady Diana Spencer... Dollar Princesses are the American heiresses who married titled Europeans, moved to Europe, and became the grandmothers and great grandmothers of some illustrious people. Mary Leiter, the Chicago department-store heiress who married Lord Curzon is another Dollar Princess. Florence Sharon, a senator’s daughter from Nevada, who married Lord Hesketh yet another.
Aren't you intregued?
Daisy Goodwin is a historical fiction author who knows her subject.