Как по Английски будет barba azul

proper noun

A character in a tale by charles perrault, who killed several wives in turn for disobeying his order to avoid a locked room, which contained the bodies of his previous wives. local tradition in brittany identifies him with gilles de rais (c.1400–40), a perpetrator of atrocities, although he had only one wife (who left him).

noun

A man who kills women or treats them in a cruel and controlling manner.

Примеры использования:

You seem to imply i'm some sort of bluebeard who keeps her incarcerated