   field marshal frederick rudolph lambart, 10th earl of cavan  (16 october 1865&nbsp;â 28 august 1946) 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. ==military career== born the son of frederick lambart, 9th earl of cavan and mary sneade lambart (nÃ©e 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.heathcote, anthony pg 197 having been promoted to captain on 16 october 1897, he saw action as a company commander in the second boer war at the battle of biddulphsberg in may 1900 and, having succeeded to his father's titles on 14 july 1900, took part in operations against the boers in 1901 and was mentioned in despatches.{{londongazette|issue=2735
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