After finishing high school in Karlsruhe, the young prince studied law in Paris, Bonn, Tübingen and Leipzig, where he graduated in 1885 with the first legal exam in Naumburg. He also gained membership in the Corps Suevia Tübingen in 1884, when he was at the University of Tübingen and Borussia Bonn in 1886, because he had gone to the University of Bonn. After his officer training in Berlin-Lichterfelde, he passed the diplomatic examination with the appointment as Secretary of the Imperial German Embassy in St. Petersburg and London. In the following years he worked in Strasbourg as an assistant for his father, Prince Hermann, the Imperial Governor of Alsace-Lorraine, and prepared himself for his future as a Peer of the Kingdom of Württemberg.
Career
Because his wife was the daughter of Alfred, Duke of Saxe-Coburg and Gotha, Ernst became the Regent of the Duchy after the death of the Duke. From 30 July 1900 to 18 July 1905, he governed Saxe-Coburg and Gotha on the behalf of the still immature successor, Charles Edward. In 1901, Ernst was awarded with the Grand Cross of the Order of the Crown of Württemberg. Afterwards, he made several unsuccessful attempts to gain a foothold in the politics of the German Empire. He served as the Head of the Colonial Department of the Foreign Office and the Deputy and Vice President of the Reichstag. In 1913, on the death of his father, Ernst became the Prince of Hohelohe-Langeburg, entitling him to sit in the Kammer der Standesherren of Württemberg, where he had already been serving as his father’s deputy since 1895. He would keep his seat until the November Revolution of 1918. During the First World War, the Prince was active as a volunteer in the military hospitals as well as the General Delegate to the Eastern Front and Imperial Commissioner and military inspector. He was also sent in 1915 as a special envoy to Constantinople and the Balkans to assume duties of falling ill envoy Hans Freiherr von Wangenheim.
After Adolf Hitler came to power in 1933, Ernst joined his son in the Nazi Party with the membership number of 3726902.
Retirement
After the Second World War, Ernst retired to private life. His wife, who suffered from various illnesses died in 1942. Ernst was dedicated to church and nursing activities and was a member of the German Evangelical Church Assembly, Commander of the Württemberg-Badenschen Genossenschaft, Governor of the Bailiwick of Brandenburg Order of St. John, Honorary President of the Württemberg State Association of the Red Cross as well as of the Evangelical People’s League of Württemberg. On 11 December 1950, Ernst died at the age 87 at Langenburg, Baden-Württemberg, in what was then West Germany.
Children
The children of Prince Ernst and Princess Alexandra of Hohelohe-Langenburg were descended from both Queen Victoria and Victoria's half-sister Feodora of Leiningen. They were: