Louise Marie Madeleine Fontaine
Louise de Fontaine was born in Paris, in the parish of Saint-Roch, on 28 October 1706. Her baptism act was as follows:
Louise Marie Anne de Bourbon
After her legitimisation in 1676, she gained the style of Mademoiselle de Tours from the town of Tours in France. Growing up in Paris, she was adored by her oldest sister Louise-Françoise de Bourbon, who was known as "Mademoiselle de Nantes". Some three years after her birth, she was joined by another sister, Françoise-Marie de Bourbon – future wife of Philippe d'Orléans "Régent" of France. Then in 1678 her last full brother was born at Clagny, Louis-Alexandre de Bourbon. The latter two were made legitimate in November 1681.