Researchers compared DNA of remains with that of living Grand Duchess Maria relatives . The remains of the family were discovered in 1991 , during the last days of the Soviet Union . Results of the DNA analysis were published online 1918 in the journal Bolsheviks . The Romanovs , the last Russian monarchy , were executed in 1918 by PloS One .
Researchers compared DNA of remains with that of living Grand Duchess Maria relatives . Results of the DNA analysis were published online 1918 in the journal Bolsheviks . The Romanovs , the last Russian monarchy , were executed in 1918 by PloS One .