Rudolph Lambart, 10th Earl of Cavan

The Earl of Cavan
Lord Cavan as a young officer
Born	(1865-10-16)16 October 1865 Ayot St Lawrence, Hertfordshire, England
Died	28 August 1946(1946-08-28) (aged 80) London, England
Allegiance	United Kingdom
Service/branch	British Army
Years of service	1885–1913 1914–1926
Rank	Field Marshal
Commands held	Chief of the Imperial General Staff Aldershot Command XIV Corps Guards Division 50th (Northumbrian) Division
Battles/wars	Second Boer War First World War
Awards	Knight of the Order of St Patrick Knight Grand Cross of the Order of the Bath Knight Grand Cross of the Order of St Michael and St George Knight Grand Cross of the Royal Victorian Order Knight Grand Cross of the Order of the British Empire Mentioned in Despatches Commander of the Legion of Honour (France) Grand Officer of the Order of the Crown (Belgium) Grand Officer of the Order of Saints Maurice and Lazarus (Italy) Grand Officer of the Military Order of Savoy (Italy) War Cross for Military Valor (Italy) Distinguished Service Medal (United States) Order of Wen-Hu (China)

Field Marshal Frederick Rudolph Lambart, 10th Earl of Cavan, KP, GCB, GCMG, GCVO, GBE, DL (16 October 1865 – 28 August 1946), known as Viscount Kilcoursie from 1887 until 1900, was a British Army officer and Chief of the Imperial General Staff. He served in the Second Boer War, led XIV Corps during the First World War, and later advised the Government on the implementation of the Geddes report, which advocated a large reduction in defence expenditure; he presided over a major reduction in the size of the British Army.

Born the son of Frederick Lambart, 9th Earl of Cavan and Mary Sneade Lambart (née Olive) and educated at Eton College, Christ Church, Oxford and the Royal Military College, Sandhurst, Lambart was commissioned into the Grenadier Guards on 29 August 1885. He gained the courtesy title of Viscount Kilcoursie in 1887 when his father succeeded to the Earldom and was appointed Aide-de-Camp to the Governor General of Canada in 1891.