Duchy of La Vallière in the context of Marie Anne de Bourbon

Marie Anne de Bourbon, Légitimée de France, born Marie Anne de La Blaume Le Blanc, by her marriage Princess of Conti then Princess Dowager of Conti, suo jure Duchess of La Vallière and of Vaujours (French pronunciation: [maʁi an də buʁbɔ̃]; 2 October 1666 – 3 May 1739) was a French noblewoman as the eldest legitimised daughter of Louis XIV, King of France, born from his mistress Louise de La Vallière, and the king's favourite daughter. She married Louis Armand I, Prince of Conti, in 1680 and was widowed in 1685. She never married again and had no issue. Upon her mother's death, she became the suo jure Duchess of La Vallière and of Vaujours.