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 "Anna Anderson"): Anastasia, the youngest daughter of the last Tsar and Tsarina of Russia, Nicholas II and Alexandra, was killed along with her parents and siblings on 17 July 1918 by communist revolutionaries in Yekaterinburg, Russia; but the location of her body was unknown until 2007.
Relevant evidence: No