Mary, Duchess of Burgundy, called Mary the Rich (February 13, 1457 - March 27, 1482), Duchess of Burgundy, was the only child of Charles the Bold, Duke of Burgundy, and his wife Isabella of Bourbon. Her mother died in 1465, but Mary was on very good terms with her step-mother Margaret of York, whom Charles married in 1468. Wikipedia
The definitive Wikipedia entry for Mary Of Burgundy. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Mary_of_Burgundy