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 "Maria Rasputin"): She wrote two memoirs about her father, dealing with Tsar Nicholas II and Tsarina Alexandra Feodorovna, the attack by Khionia Guseva and the murder.
Relevant evidence: No