Prince Augustus William of Prussia (German: August Wilhelm; 9 August 1722 – 12 June 1758) was a son of King Frederick William I of Prussia and a younger brother and general of King Frederick II (Frederick the Great).
Prince Joachim Franz Humbert of Prussia (17 December 1890 – 18 July 1920) was the youngest son and sixth child of Wilhelm II, German Emperor, by his first wife, Augusta Victoria of Schleswig-Holstein. He committed suicide at age 29.
Prince Albert William Henry of Prussia (German: Albert Wilhelm Heinrich; 14 August 1862 – 20 April 1929) was a younger brother of German Emperor William II and a Prince of Prussia. He was also a grandson of Queen Victoria .
Prince Frederick Charles Alexander of Prussia (German: Friedrich Karl Alexander; 29 June 1801 – 21 January 1883) was a younger son of Frederick William III of Prussia.He served as a Prussian general for much of his adult life and became the first Herrenmeister (Grand Master) of the Order of Saint John after its restoration as a chivalric order.
Prince Friedrich Karl Nikolaus of Prussia (20 March 1828 – 15 June 1885) was the son of Prince Charles of Prussia (1801–1883) and his wife, Princess Marie of Saxe-Weimar-Eisenach (1808–1877). Prince Friedrich Karl was a grandson of King Frederick William III of Prussia and a nephew of Frederick William IV and William I .
Prince Frederick George William Christopher of Prussia (German: Friedrich Georg Wilhelm Christoph Prinz von Preußen; 19 December 1911 – 20 April 1966), also known as Friedrich von Preussen in the United Kingdom, was the fourth son of Crown Prince Wilhelm of Germany and Duchess Cecilie of Mecklenburg-Schwerin
Prince Francis Frederick Sigismund of Prussia (German: Franz Friedrich Sigismund; 15 September 1864 – 18 June 1866) was the fourth child and third son of Crown Prince Frederick William of Prussia (later King of Prussia and German Emperor as Frederick III), and Victoria, Princess Royal, eldest daughter of the British Queen Victoria.
Wilhelm, German Crown Prince, Crown Prince of Prussia (Friedrich Wilhelm Victor August Ernst; 6 May 1882 – 20 July 1951) was the eldest child of the last Kaiser, the German Emperor, Wilhelm II, and his consort Augusta Victoria of Schleswig-Holstein.
Prince Adalbert was born on 14 July 1884 as the third son of the then Prince Wilhelm of Prussia and his first wife, Princess Augusta Victoria of Schleswig-Holstein. He was born in the Marmorpalais of Potsdam in the Province of Brandenburg , where his parents resided until his father acceded to the throne as Emperor Wilhelm II in 1888.
Frederick William I (German: Friedrich Wilhelm I.; 14 August 1688 – 31 May 1740), known as the "Soldier King" (German: Soldatenkönig), was King in Prussia and Elector of Brandenburg from 1713 until his death in 1740, as well as Prince of Neuchâtel.