What is Maria Teresa Felicitas d'Este?
{{Infobox royalty | name = Maria Teresa | full name = Maria Teresa Felicitas d'Este | image = Madame la duchesse de Penthièvre par Daniel Klein, Collection du musée de l'Ile-de-France, Sceaux.png | title = [[Duchess of Penthièvre]] | caption = Portrait of Maria Teresa attributed to Daniel Klein, c. 1745-47 | birth_date = {{Birth date|1726|10|6|df=y}} | birth_place = [[Ducal Palace of Modena|Ducal Palace]], [[Modena]] | death_date = {{Death date and age|1754|4|30|1726|10|6||df=y}} | death_place = [[Château de Rambouillet]], [[France]] | spouse = {{marriage|[[Louis Jean Marie de Bourbon, Duke of Penthièvre]]|1744}} | father = [[Francesco III d'Este, Duke of Modena]] | mother = [[Charlotte Aglaé d'Orléans]] | house = [[House of Este|Este]] | issue = {{Unbulleted list|[[Louis Marie, Duke of Rambouillet]]|[[Louis Alexandre, Prince of Lamballe]]|[[Jean Marie, Duke of Châteauvillain]]|[[Vincent, Count of Guingamp]]|[[Louise Marie Adélaïde de Bourbon, Duchess of Orléans|Marie Adélaide, Duchess of Orléans]]}} | burial_place = [[Chapelle royale de Dreux]] | religion = [[Roman Catholicism]] |issue-link=#Children|issue-pipe=Detail}} '''Maria Teresa Felicitas''' ([[French language|French]]: ''Marie Thérèse Félicité''; 6 October 1726 – 30 April 1754) was born a Princess of [[Modena]]. By marriage, she was the Duchess of Penthièvre. Maria Teresa was the mother-in-law of [[Philippe Égalité]] and a grandmother to the future [[Louis Philippe I]]. ==Early life== Maria Teresa was born on 6 October 1726 in [[Modena]], [[Kingdom of Italy (1861–1946)|Italy]]. She was the first child of [[Charlotte Aglaé d'Orléans]] and [[Francesco III d'Este, Duke of Modena]]. Her parents’ marriage wasn’t happy, and her mother would later move back to [[Kingdom of France|France]]. ==Marriage== In On 29 December 1744 at the [[Palace of Versailles]], Maria Teresa married her second cousin, [[Louis Jean Marie de Bourbon, Duke of Penthièvre]]. The couple had seven children in total but only two of them survived childhood