Russian scientists extracted DNA from blood, found on a shirt, which is believed to belong to last Russian emperor, Nicholas II.
      
      Researchers worked out genetic profile of Nicholas II and are later going to compare it with DNA of his children. Studies of bones, found in 2007 were performed by 10 research institutes and involved 22 experts.
      
      Genetic expertise confirmed that bones belonged to children of Nicholas II, Maria and Alexis.
      
      Last emperor of Russia and his family were killed by communists in Yekaterinburg in 1918.
      
      Source: RIA Novosti