Christine of France
Françoise Madeleine died in 1664 childless. He remarried in 1666 to Marie Jeanne of Savoy. Marie Jeanne would give birth to Victor Amadeus II of Sardinia who would later marry another French Princess Anne Marie d'Orléans. 17 years after her death, in 1680, her granddaughter Maria Anna Victoria of Bavaria married Louis XIII's grandson Louis, Grand Dauphin thus making Christine a direct ancestress of most royalty today. Revealed on NBC's 'Who Do You Think You Are?' that one of her descendants is model/actress Brooke Shields.