Czar Nicholas II and his family were shot to death by the Bolsheviks some 90 years ago. According to a DNA study featured by the online publication of the Public Library of Science (PLOS), the five children of the last Russian czar were murdered along with their parents during the Bolshevik revolution.

An international team of scientists has put an end to one of the great historical mysteries of the twentieth century, that of the tragic fate of the last Russian imperial family who was murdered in July 1918.

The research was conducted with a combined analysis of mitochondrial DNA and autosomal STR test whose results were contrasted with DNA found in human remains from the first tomb in which most of the Romanovs were buried. This tomb was discovered in an excavation in 1991.

After the February Revolution of 1917, Nicholas II abdicated the throne. He and his family were finally imprisoned in the Ipatiev House in Yekaterinburg. The fallen czar along with his wife, son, four daughters, and the family’s doctor and servants were all killed in the same room by the Bolsheviks on the night of July 17, 1918. It has since been confirmed that Lenin ordered the clandestine killings from Moscow.

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Via ocdtribe