Koos de la Rey

Jacobus Herculaas de la Rey
Nickname(s)	Koos Leeu van die Wes Transvaal (translation: Lion of West Transvaal)
Born	(1847-10-22)22 October 1847 Doornfontein, Winburg, Orange River Sovereignty
Died	15 September 1914(1914-09-15) (aged 66) Main Reef Road, Langlaagte, Johannesburg, South Africa
Allegiance	Orange Free State  South African Republic  Union of South Africa
Rank	General
Battles / wars	Basotho War of 1865 Sekhukhune's War of 1876 First Boer War Second Boer War Battle of Ladysmith Siege of Ladysmith (2nd battle) Battle of Graspan Battle of Modder River Battle of Magersfontein Battle of Doornkop Battle of Diamond Hill Battle of Elands River (1900) Battle of Nooitgedacht Battle of Middelfontein Battle of Tweebosch
Spouse(s)	Jacoba Elizabeth (Nonnie) Greeff
Children	12 biological 6 fostered
Other work	Member of the Transvaal Parliament, Delegate to National Convention, Senator

Jacobus Herculaas de la Rey^{[needs Afrikaans IPA]} (22 October 1847 – 15 September 1914),^[1] better known as Koos de la Rey, was a South African military officer who served as a Boer general during the Second Boer War. De la Rey also had a political career and was one of the leading advocates of Boer independence.