尼古拉斯及其家族被布尔什·维克逮捕，当时，布尔什·维克为控制在第一次世界大战期间崩溃之后的俄罗斯，正忙于与孟什维克即白军斗争。

Nicholas and his family were arrested by the Bolsheviks, who were then engaged in a struggle with the Mensheviks, or Whites, for control of Russia following the country's collapse during World War I.