Jacqueline, Countess of Hainaut
Jacqueline , was a Duchess of BavariaStraubing, Countess of Holland and Zeeland and Countess of Hainaut from 1417 to 1433. She was also Dauphine of France for a short time between 1415 and 1417 and Duchess of Gloucester in the 1420s, if her marriage to Humphrey, Duke of Gloucester, is accepted as valid.
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Source: Wikipedia