Alexander is the Latin form of the Greek name Alexandros (Ἀλέξανδρος), which means "defender of men" (from the Greek alexo (ἀλέξω) - "to defend, help" and aner (ἀνήρ) - "man"). It is commonly associated with Alexander the Great, the ruler of the ancient Greek kingdom of Macedon and legendary military commander. Many subsequent rulers have borne, including kings of Scotland and Poland, Russian tsars, and several Roman-Catholic popes.