Prince Augustus Ferdinand of Prussia
Prince Augustus Ferdinand of Prussia (23 May 1730, Berlin – 2 May 1813, Berlin) was a Prussian prince and general, as well as "HerrenmeisterMaster of the Knights") of the Bailiwick of Brandenburg of the Order of Saint John.
He belonged to the House of Hohenzollern, and was the youngest son of Frederick William I of Prussia by his wife, Queen Sophia Dorothea.
Wilhelmina of Prussia, Princess of Orange
Princess Wilhelmina of Prussia(" Frederika Sophia Wilhelmina"; 7 August 1751 in Berlin – 9 June 1820 in Het Loo) was the consort of William V of Orange and the de facto leader of the dynastic party and counter- revolution in the Netherlands.
She was the daughter of Prince Augustus William of Prussia and Luise of Brunswick- Wolfenbüttel.
Wilhelmina was the longest- serving Princess consort of Orange.
Princess Marianne of Prussia
Princess Marianne of Prussia( 23 August 19131 March 1983) was a member of the House of Hohenzollern, daughter of Prince Friedrich Wilhelm of Prussia.
Frederick William I of Prussia
Frederick William I (14 August 1688 – 31 May 1740), known as the "Soldier King" , was the King in Prussia and Elector of Brandenburg from 1713 until his death in 1740, as well as Prince of Neuchâtel.
He was succeeded by his son, Frederick the Great.
Prince Augustus of Prussia
Prince Friedrich Wilhelm Heinrich August of Prussia( 19 September 1779- 19 July 1843), known in English as Prince Augustus, was a Prussian general.
Born on Friedrichsfelde Palace, he was the youngest son of Prince Augustus Ferdinand of Prussia, the brother of King Frederick the Great, and Margravine Elisabeth Louise of Brandenburg- Schwedt.
Princess Calixta of Lippe
Princess "Calixta" Agnes Adelaide Irmgard Helene Caroline Elise Emma of Lippe (14 October 1895 - 15 December 1982) was the wife of Prince Waldemar of Prussia, eldest son of Prince Henry of Prussia.
Princess Louise of Prussia (1770–1836)
Princess Frederica Dorothea "Louise" Philippine of Prussia (24 May 1770 - 7 December 1836) was a member of the House of Hohenzollern.
She was a niece of Frederick the Great, being the second daughter and third child of Prince Augustus Ferdinand of Prussia by his wife Margravine Elisabeth Louise of Brandenburg-Schwedt.
Louise and her husband Prince Antoni Radziwiłł were popular for their patronage of music, as well as their prominent positions in Berlin society.
Louise is also notable for being the mother of Elisabeth Radziwill, the childhood love of future German Emperor Wilhelm I, whose strong desire to marry her was thwarted out of considerations for Elisabeth's inequality of rank.
Princess Elisabeth of Prussia
Princess Elisabeth of Prussia( 18 June 1815 – 21 March 1885) was the second daughter of Prince Wilhelm of Prussia and Landgravine Marie Anna of Hesse- Homburg and a granddaughter of Frederick William II of Prussia.
Prince Philip, Duke of Edinburgh is her great- great- grandson.
Prince Henry of Prussia (1747–1767)
Frederick Henry Charles, Prince of Prussia( 30 December 1747 – 26 May 1767) was the second son of Prince Augustus William, the brother of Frederick the Great.
His older brother was Frederick William II of Prussia.
Princess Charlotte of Prussia (1831–1855)
Princess Charlotte of Prussia( 21 June 1831 – 30 March 1855), was by birth a Princess of Prussia and member of the House of Hohenzollern and by marriage Hereditary Princess of Saxe- Meiningen.
She was the eldest child and daughter of Prince Albert of Prussia( younger son of Frederick William III of Prussia and Louise of Mecklenburg- Strelitz) and his first wife Princess Marianne of the Netherlands( daughter of William I of the Netherlands and Wilhelmine of Prussia).

Question: When was Prince Augustus Ferdinand Of Prussia's father born?
Answer: 14 August 1688