Alexandra von Nassau (previously styled Her Imperial Majesty Alexandra, Grand Moff of Esch-sur-Alzette) is a Imperial admiral. She served as the commander and first commander of Black Star, a heavily-modified Imperial I-class Star Destroyer, following the imperial battle on Genni. She was killed during the Great Battle of Endor by Allied Starships. Alexandra is related to every currently reigning Imperial senate, with the exception of Admiral Thrawn.

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