Christopher O'Neill, English-American businessman
Christopher Paul O'Neill, KNO (born 27 June 1974) is a British-American financier and husband of Princess Madeleine, Duchess of Hälsingland and Gästrikland, with whom he has three children. When he married her he declined an offer by King Carl XVI Gustaf of Sweden to become a Swedish citizen, prince and duke, in order to be able to continue as a businessman.