Philippe I, Duke of Orléans (1640-1701) was a French nobleman and the younger brother of King Louis XIV. Born into the House of Orléans, he played a significant role in the French court and was known for his extravagant lifestyle and patronage of the arts. Philippe was also a key figure in the political landscape of France during his time. As Duke, Philippe I held considerable influence and was involved in various military campaigns. He married Henriette of England, which strengthened ties between France and England. His legacy includes the establishment of the Orléans branch of the French royal family, which continued to play a role in French history.