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Louis Philippe II, Duke of Orléans (Louis Philippe Joseph; 13 April 1747 – 6 November 1793), was a French Prince of the Blood who supported the French Revolution.
Louis Philippe II was born at the Château de Saint-Cloud to Louis Philippe I, Duke of Chartres, and his wife, Louise Henriette de Bourbon-Conti. He was titled Duke of Montpensier at birth. When his grandfather Louis, Duke of Orléans, died in 1752, his father became the new Duke of Orléans and Louis Philippe II became Duke of Chartres. When his father died in 1785, he became Duke of Orléans and First Prince of the Blood. He was styled as Serene Highness (French: Son Altesse Sérénissime).