The canonicity of this article's subject remains dubious. Though it doesn't contradict official continuity, it has not been referenced in any confirmed canonical material. |
This article is about a subject whose real name is unknown, being identified only by a title, nickname, or alias. |
The Duchess was a high ranking female demon of the same species as Archduke Sebassis, of whom she was also an enemy. Like Sebassis, she also had a slave.