What is Louise Diane d'Orléans?
{{Infobox royalty | name = Louise d'Orléans |full name = Louise Diane d'Orléans | image = Pierre Gobert - Portrait of a Princess of Conti - Versailles MV 3821.jpg | title = Princess of Conti |issue-link = #Children | caption = Louise by [[Pierre Gobert]] | birth_date = {{Birth date|1716|6|27|df=y}} | birth_place = [[Palais-Royal]], [[Paris]] | death_date = {{Death date and age|1736|9|26|1716|6|27||df=y}} | death_place = [[Château d'Issy]], France | spouse = [[Louis François, Prince of Conti]] | father = [[Philippe II, Duke of Orléans|Philippe d'Orléans]] | mother = [[Françoise Marie de Bourbon]] | issue = [[Louis François Joseph, Prince of Conti]] | burial_place= Saint-André-des-Arcs, Paris | burial_date = 30 September 1736 }} '''Louise Diane d'Orléans''' (27 June 1716 – 26 September 1736) was the last child of [[Philippe II, Duke of Orléans|Philippe d'Orléans, Duke of Orléans]] (''Regent of the Kingdom'' from 1715 to 1723) and his wife, [[Françoise Marie de Bourbon]], the youngest illegitimate daughter of King [[Louis XIV of France]] and his mistress, [[Madame de Montespan]]. The [[Princess of Conti]] by marriage, she died in childbirth at the age of twenty. Some sources refer to her as ''Louis Diane''. The princess used the name Louise. ==Biography== Louise Diane d'Orléans was born in the Palais-Royal, the Paris residence of the [[House of Orléans]], on 27 June 1716 as the youngest child of the Duke and Duchess of Orléans. [[Elizabeth Charlotte of the Palatinate]] was her fathers mother and was not impressed at the thought of having another granddaughter Her siblings were: *''Mademoiselle de Valois'' (17 December 1693 &ndash; 17 October 1694) *[[Marie Louise Élisabeth d'Orléans]], Duchess of Berry (20 August 1695 &ndash; 21 July 1719) *[[Louise Adélaïde d'Orléans]], Abbess of Chelles (13 August 1698 &ndash; 10 February 1743) *[[Charlotte Aglaé d'Orléans]], Duchess of Modena and Reggio (20 October 1700 &ndash; 19 January 1761) *[[Louis d'Orléans, Duke of O