Deneys Reitz, son of Francis William Reitz, was a Boer warrior who fought in the Second Boer War for the Boer Republics against the British Empire.

Francis William Reitz Jr. (5 October 1844 – 27 March 1934) was a South African lawyer, politician, statesman, publicist, and poet who was a member of parliament of the Cape Colony, Chief Justice and fifth State President of the Orange Free State, State Secretary of the South African Republic at the time of the Second Boer War, and the first president of the Senate of the Union of South Africa.