Question: When is Prince Napoléon Bonaparte's father's birthday?

Knowledge 1: Prince Napoléon Bonaparte
Napoléon Joseph Charles Paul Bonaparte (9 September 1822 – 17 March 1891), usually called Napoléon-Jérôme Bonaparte or Jérôme Bonaparte, was the second son of Jerome, King of Westphalia and his second wife Catharina of Württemberg.An oustpoken liberal, he became the "de facto" head of the House of Bonaparte from 1879 to his death.He wasn't considered a legitimate pretender to the throne by many Bonapartists, due to his fathers previous marriage without divorce.They instead preferred his son Victor.From the 1880s he was one of the stronger supporters of General Georges Boulanger, together with other monarchist forces.As well as bearing the title of Prince Napoléon, given him by his cousin Emperor Napoleon III in 1852,
he was also 3rd Prince of Montfort, 1st Count of Meudon and Count of Moncalieri, following his marriage with Maria Clotilde of Savoy in 1859.His popular nickname, Plon-Plon, stemmed from his difficulty in pronouncing his own name while still a child. [SEP] Knowledge 2: Jérôme Bonaparte
Jérôme-Napoléon Bonaparte (born Girolamo Buonaparte; 15 November 1784 – 24 June 1860) was the youngest brother of Napoleon I and reigned as Jerome I (formally Hieronymus Napoleon in German), King of Westphalia, between 1807 and 1813.From 1816 onward, he bore the title of Prince of Montfort.After 1848, when his nephew, Louis Napoleon, became President of the French Second Republic, he served in several official roles, including Marshal of France from 1850 onward, and President of the Senate in 1852.
Knowledge 1: Prince Napoléon Bonaparte
Napoléon Joseph Charles Paul Bonaparte (9 September 1822 – 17 March 1891), usually called Napoléon-Jérôme Bonaparte or Jérôme Bonaparte, was the second son of Jerome, King of Westphalia and his second wife Catharina of Württemberg.An oustpoken liberal, he became the "de facto" head of the House of Bonaparte from 1879 to his death.He wasn't considered a legitimate pretender to the throne by many Bonapartists, due to his fathers previous marriage without divorce.They instead preferred his son Victor.From the 1880s he was one of the stronger supporters of General Georges Boulanger, together with other monarchist forces.As well as bearing the title of Prince Napoléon, given him by his cousin Emperor Napoleon III in 1852,
he was also 3rd Prince of Montfort, 1st Count of Meudon and Count of Moncalieri, following his marriage with Maria Clotilde of Savoy in 1859.His popular nickname, Plon-Plon, stemmed from his difficulty in pronouncing his own name while still a child. [SEP] Knowledge 2: Joseph Watson (footballer)
Joseph Charles Watson was an Australian rules footballer.
Knowledge 1: Prince Napoléon Bonaparte
Napoléon Joseph Charles Paul Bonaparte (9 September 1822 – 17 March 1891), usually called Napoléon-Jérôme Bonaparte or Jérôme Bonaparte, was the second son of Jerome, King of Westphalia and his second wife Catharina of Württemberg.An oustpoken liberal, he became the "de facto" head of the House of Bonaparte from 1879 to his death.He wasn't considered a legitimate pretender to the throne by many Bonapartists, due to his fathers previous marriage without divorce.They instead preferred his son Victor.From the 1880s he was one of the stronger supporters of General Georges Boulanger, together with other monarchist forces.As well as bearing the title of Prince Napoléon, given him by his cousin Emperor Napoleon III in 1852,
he was also 3rd Prince of Montfort, 1st Count of Meudon and Count of Moncalieri, following his marriage with Maria Clotilde of Savoy in 1859.His popular nickname, Plon-Plon, stemmed from his difficulty in pronouncing his own name while still a child. [SEP] Knowledge 2: René Paul
Ronald René Charles Paul( 20 January 1921 – 16 June 2008) was a British fencer.

Answer: 15 November 1784