Peter I of Serbia Serbian noble (1844–1921); King of Serbia from 1903 to 1918 (1844–1921) Parents Persida Nenadović Alexander Karađorđević, Prince of Serbia Children Prince George of Yugoslavia Milena Кarađorđević Princess Jelena of Yugoslavia Alexander I of Yugoslavia Siblings Kleopatra Karađorđević Prince Arsen of Yugoslavia Partners Princess Zorka of Montenegro
