Dorothea is the Knight of Four, who is described as being as heroic as
Bismarck. She is one of the three of the remaining Rounds member who
fought with Bismarck to remove Lelouch from power, but is killed by
Suzaku in the LancelotAlbion.
Unfortunately, she only appears in one scene, and is killed after that.
Dorothea Ernst - Code Geass Character Profile | Image Gallery
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