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).
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.
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.
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.
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.
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.
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.
Prince Alexander of Prussia
Prince Friedrich Wilhelm Ludwig" Alexander" of Prussia( 21 June 1820 – 4 January 1896) was the eldest child of Prince Frederick of Prussia and his wife, Princess Luise of Anhalt- Bernburg.
Princess Marie of Prussia (1855–1888)
Princess Marie of Prussia(" Marie Elisabeth Louise Frederika"; 14 September 1855, Marmorpalais, Potsdam – 20 June 1888, Dresden), was a princess of the House of Hohenzollern.
She was the daughter of Prince Frederick Charles of Prussia and later became second wife of Prince Henry of the Netherlands then the first wife of Prince Albert of Saxe- Altenburg.
She was also the great- niece of Wilhelm I, German Emperor.
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.

Question: Who is the paternal grandfather of Prince Augustus Of Prussia?