Question: Suzanna Catharina de Graaff's claim of being the fifth daughter of Tsar Nicholas II and Tsarina Alexandra, was accepted by one of several imposters who clamed to be who?
Sentence (from "Suzanna Catharina de Graaff"): The Russian Imperial family was killed by Bolsheviks in Ekaterinburg, Russia, on July 17, 1918.
Relevant evidence: No