Marie Anne de Bourbon was born on 2 October 1666, in the Château de Vincennes, in Vincennes, France. She was the daughter of Louise Françoise de La Baume Le Blanc de La Vallière (6 August 1644 - 7 June 1710) and Louis XIV, King of France and Navarre (5 September 1638 - 1 September 1715). Her maternal grandparents were Françoise Le Prévost and Laurent de La Baume Le Blanc, Seigneur de la Vallière. Her paternal grandparents were Anne of Austria, Queen Consort of France and Navarre (22 September 1601 - 20 January 1666) and Louis XIII, King of France and Navarre (27 September 1601 - 14 May 1643). Her mother, Louise was the mistress of King Louis XIV. Her siblings were: Charles de Bourbon (19 December 1663 -1665), Philippe de Bourbon (7 January 1665 -1666), Louis de Bourbon ( 27 December 1665 - 15 July 1666) and Louis de Bourbon, Count of Vermandois (2 October 1667 - 18 November 1683). King Louis XIV was married to Marie-Thérèse of Spain, Queen Consort of France and Navarre (10 September 1638 – 30 July 1683). Her half siblings were: Louis, Dauphin de France (1 November 1661 - 14 April 1711), Anne-Élisabeth de France (18 November 1662 - 30 December 1662), Marie-Anne de France (16 November 1664 - 26 December 1664), Marie-Thérèse de France (2 January 1667 - 1 March 1672), Philippe-Charles de France, Duc d'Anjou (5 August 1668 - 10 July 1671) and Louis-François de France, Duc d'Anjou (14 June 1672 - 4 November 1672). Louis XIV also had children with his other mistresses, including Françoise-Athénaïs de Rochechouart de Mortemart, Marquise de Montespan (5 October 1641 - 27 May 1707): Louise Françoise de Bourbon (March 1669 - 23 February 1672), Louis-Auguste de Bourbon, Duc du Maine (31 March 1670 - 14 May 1736), Louis-César de Bourbon, Comte de Vexin (20 June 1672 - 10 January 1683), Louise-Françoise de Bourbon, Mademoiselle de Nantes, Duchesse de Bourbon et Princesse de Condé (1 June 1673 - 16 June 1743), Louise-Marie-Anne de Bourbon, Mademoiselle de Tours (12 November 1674 - 15 September 1681), Françoise-Marie de Bourbon, Mademoiselle de Blois et Duchesse d'Orléans (4 May 1677 - 1 February 1749) and Louis-Alexandre de Bourbon, Comte de Toulouse (6 June 1678 - 1 December 1737). In May 1667, by letters-patent confirmed by the Parlement de Paris, Louis XIV legitimised his daughter with Louise. She was named Marie Anne de Bourbon, with the title Mademoiselle de Blois. Her half-sister, Marie-Thérèse, Madame Royale died on 1 March 1672, at Château de Saint-Germain-en-Laye. In 1674, her mother, Louise was permitted to enter the Carmelite convent in the Faubourg Saint-Jacques in Paris, under the name of Sister Louise of Mercy. In 1675, she took the final vows, accepting the black veil from Queen Marie-Thérèse. Marie Anne married Louis Armand de Bourbon, Prince of Conti on 16 January 1680, in the chapel of the Château de Saint-Germain-en-Laye. Her half-brother, Louis, Dauphin de France married Duchess Maria Anna Christina Victoria of Bavaria (28 November 1660 - 20 April 1690) on 7 March 1680. Her half-sister, Louise Marie Anne died on 15 September 1682, in Bourbon-l'Archambault. Her brother, Louis died on 18 November 1683, while in exile in Flandres. He was buried at the Cathedral in Arras, Arras. Queen Marie-Thérèse died on 30 July 1683, in Versailles. Louis XIV married his second wife, Françoise d'Aubigné, Marquise de Maintenon (27 November 1635 - 15 April 1719) on 10 October 1683, in the Chapel at Versailles. Her half-sister, Louise-Françoise, Mademoiselle de Nantes married Louis de Bourbon, Duke of Bourbon (10 November 1668 - 4 March 1710) on 25 May 1685. Her half-sister, Françoise-Marie, Mademoiselle de Blois married Philippe Charles, Duke of Chartres (2 August 1674 - 2 December 1723) on 18 February 1692, in the Chapel of the Palace of Versailles. Françoise-Athénaïs died on 27 May 1707, in Bourbon-l'Archambault. Her mother, Louise de La Vallière died on 7 June 1710, in Paris. The Duchy of La Vallière went to Marie Anne. Her half-brother, Louis, Dauphin de France died of smallpox on 14 April 1711. Her father, Louis XIV died on 1 September 1715, at the Château de Versailles, in Versailles. He was buried in the Saint Denis Basilica, Saint-Denis, France. He was succeeded by Louis XV, King of France and Navarre (1710-1774), with Philippe II, Duc de Orléans as his regent. Françoise d'Aubigne died on 15 April 1719, in Saint-Cyr. She was buried at Saint-Cyr. Marie Anne de Bourbon died aged 72, on 3 May 1739, in Paris, France. She was buried in the Chapel of Our Lady, in the Saint-Roch Church, in Paris.
Source: The Memoirs of Madame de Montespan by Madame de Montespan.