Deventer, Sir Jacob Louis van (yäˈkōp lōēˈ fän dĕfˈəntər) [key], 1874?–1922, Boer general. In the South African War he commanded guerrilla forces in the Cape Colony. During World War I he helped suppress a Boer extremist outbreak against the government. Deventer also participated in the campaigns against Germany in South West Africa (1914–15) and in former German East Africa (1917–18).
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