been retained to tutor him in mathematics. They went fishing together and established a fencing club in Belgrade. This friendship lasted through difficult times later in George's life. Ancestors References Sources Clark, C. (2013) The Sleepwalkers. How Europe went to War in 1914, London: Penguin Books. Robson, E. & Stedall, J. (2009) The Oxford Handbook of the History of Mathematics OUP: Oxford. External links 1887 births 1972 deaths People from Cetinje Yugoslav princes Serbian princes Karađorđević dynasty Heirs apparent who never acceded Burials at the Mausoleum of the Royal House of Karađorđević, Oplenac Sons of kings