Napoleon II II and his brief reign. Napoleon was born on 20 March 1811 at the Tuileries Palace, son of Napoleon I and Empress Marie Louise. On the same day he underwent "ondoyé" (a traditional French ceremony which is considered a preliminary, brief baptism) by Joseph Fesch with his full name of "Napoleon François Charles Joseph". The baptism, inspired by the baptismal ceremony of Louis, Grand Dauphin of France, was held on 9 June 1811 in Notre Dame de Paris. Karl Philipp, Prince of Schwarzenberg, Austrian ambassador to France, wrote of the baptism: He was put in the care of Louise Charlotte
William I of Württemberg Napoleon I and uncle of French Emperor Napoleon III. "United Kingdom": The British royal family were relatives of William's maternal grandmother Princess Augusta, the elder sister of King George III. George III's eldest daughter Charlotte, was the second wife of Frederick I of Württemberg and thus his stepmother. "Netherlands": Sophie, William's second daughter from his marriage to Catherine, married in 1839 her cousin, William, prince of Orange, who in 1849 became King of the Netherlands. William III was the son of Catherine's sister Anna Pavlovna of Russia. On 8 June 1808, in Munich, he married Caroline Augusta (1792–1873), daughter of