- pope a.d. 106?–115.
- czar of Russia 1801–25.
- king of Serbia 1889–1903.
- king of Yugoslavia 1921–34 (son of Peter I of Serbia).
- c. 1080–1124, king of Scotland (1107–24), son of Malcolm III
- 1777–1825, tsar of Russia (1801–25), who helped defeat Napoleon and formed the Holy Alliance (1815)
