dukes — Benjamin Newton, 1855–1929, and his brother, James Buchanan, 1856–1925, U.S. industrialists.
ladies — a woman who is refined, polite, and well-spoken: She may be poor and have little education, but she's a real lady.
lords — a person who has authority, control, or power over others; a master, chief, or ruler.
magnates — a person of great influence, importance, or standing in a particular enterprise, field of business, etc.: a railroad magnate.
moguls — any of the Mongol conquerors of India who established an empire that lasted from 1526 to 1857, but held only nominal power after 1803. See also Great Mogul.
princesses — a nonreigning female member of a royal family.