Otto I was a Holy Roman Emperor and the founder of the Ottonian dynasty, whose reign marked the beginning of a period of German dominance in Central Europe.
Rudolf I was a Habsburg ruler and the first Habsburg elected as Holy Roman Emperor, laying the foundation for the Habsburg Monarchy's future dominance.
Emperor Henry III was an English monarch who ruled during the 13th century, known for his extensive building projects and struggles with barons.
Rudolf II was a Holy Roman Emperor and Habsburg ruler, known for his patronage of the arts and sciences, as well as his eccentric and reclusive nature.
Emperor Henry IV was a Holy Roman Emperor and King of Germany whose reign was marked by conflicts with the papacy and his own family.