What is Marguerite Louise d'Orléans?
{{nosources|date=April 2019}} {{Infobox royalty |consort=yes | name = Marguerite Louise d'Orléans | full name=Marguerite Louise d'Orléans | succession=Grand Duchess of Tuscany | reign-type=Consort | image = Marguerite-Louise d'Orleans.jpg | reign = 23 May 1670 – 17 September 1721 | spouse = [[Cosimo III de' Medici, Grand Duke of Tuscany|Cosimo III de' Medici]] | issue = [[Ferdinando de' Medici, Grand Prince of Tuscany|Ferdinando, Grand Prince of Tuscany]]<br/>[[Anna Maria Luisa de' Medici|Anna Maria Luisa, Electress Palatine]]<br/>[[Gian Gastone de' Medici, Grand Duke of Tuscany|Gian Gastone, Grand Duke of Tuscany]] | house = [[House of Bourbon]]<br>[[House of Medici]] | issue-link=#Children | birth_date = {{Birth date|1645|07|28|df=y}} | birth_place = Château de Blois, France | death_date = {{Death date and age|1721|09|17|1645|07|28|df=y}} | death_place = 15 Place des Vosges, [[Paris]], France | burial_place = Picpus Cemetery, Paris, France | father = [[Gaston, Duke of Orléans]] | mother = Marguerite of Lorraine }} '''Marguerite Louise d'Orléans''' (28 July [[1645]] – 17 September [[1721]]) was [[Grand Duchess of Tuscany]], as the wife of [[Grand Duke Cosimo III de' Medici]]. Deprived of her lover, [[Charles V of Lorraine]], Marguerite Louise despised her husband and his family, whom she often quarrelled with and falsely suspected of attempting to poison her. Marguerite Louise reconciled with the Medici on more than one occasion, however, only to promptly resume hostilities. Having become [[Grand Duke of Tuscany]] upon his father's death, in [[1670]], [[Cosimo III]], under the sway of his mother, [[Vittoria della Rovere]], refused to grant Marguerite Louise entry to the Privy Council. Thus without political influence, Marguerite Louise sorted the education of her eldest son, [[Grand Prince Ferdinando]]. Two more children followed: [[Anna Maria Luisa, Electress Palatine]], and [[Gian Gastone de' Medici|Gian Gastone]], the last Medici Grand Duke of Tuscany. In June 1675, Marguerite Louise was allowed to retu