Love makes people do crazy things -- like defy centuries of tradition. Prince William of Wales is set to marry the non-titled Catherine Elizabeth "Kate" Middleton on April 29, 2011. Kate was born to Carole Elizabeth, a flight attendant, and Michael Francis Middleton, a flight dispatcher and later an airline officer for British Airways. In 1987, Kate's parents founded Party Pieces, a very profitable mail order company that sells party supplies. Kate and William met while studying at St. Andrews University in Scotland.
Take a look these royals who broke with custom and married outside of their titled rank. While some of these commoners went from rags to riches, many, like Kate Middleton, were already from affluent families. Get an eyeful!
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