In dictionaries:
Koos du Plessis
Jacobus (Koos) Johannes du Plessis (10 May 1945 – 15 January 1984) was a prominent South African singer-songwriter and poet, colloquially known as Koos Doep.
Koos Bekker
Jacobus Petrus "Koos" Bekker (born 14 December 1952) is a South African billionaire businessman, and the chairman of media group Naspers.
Koos de la Rey
Jacobus Herculaas de la Rey (22 October 1847 – 15 September 1914), better known as Koos de la Rey, was a South African military officer who served as a Boer general during the Second Boer War.
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