Frederick V, the Habsburg king of Germany, was crowned Holy Roman emperor as Frederick III in 1452, and Habsburgs continued to hold that title until 1806.

• 哈布斯堡王室出身的德意志国王腓特烈四世，在1452年被加冕为神圣罗马帝国皇帝，称腓特烈三世，哈布斯堡王室拥有此头衔至1806年。