Biography. He joined the army in 1934 (infantry regiment 8 in Frankfurt/Oder) and participated in the Invasion of Poland in 1939. One year later he was dismissed from the army by Hitler's Prinzenerlaß, following the death of his elder brother Prince Wilhelm of Prussia, who was wounded in France on 23 May 1940 and died in a Field hospital in Belgium three days later.
Iván VI de Rusia (Iván Antónovich, en ruso: Иван Антонович) (San Petersburgo, 23 de agosto de 1740 - 16 de julio de 1764), Zar de Rusia (1740-1741), bisnieto de Iván V, su padre fue el Príncipe Antonio Ulrico de Brunswick-Wolfenbuttel y su madre la Princesa y Duquesa Ana Leopóldovna de Mecklenburg-Schwerin.
Princess Louise of Saxe-Gotha-Altenburg (Louise Dorothea Pauline Charlotte Fredericka Auguste; 21 December 1800 – 30 August 1831) was the wife of Ernst I, Duke of Saxe-Coburg and Gotha and the mother of Duke Ernst II and Prince Albert, husband of Queen Victoria.