Peter Karageorgevitch, also known as Prince Peter of Serbia and Yugoslavia, is an American born Spanish-Serbian graphic designer and a member of the House of Karađorđević. He is the oldest grandchild

Alexander Karageorgevitch, also known as Prince Alexander of Serbia and Yugoslavia or Prince Aleksandar III Karađorđević, is a member of the House of Karađorđević, the former ruling family of the defu