What were the ages of the romanov kids and when were they killed?

The Romanov children, the daughters Anastasia, Maria, Tatiana, and Olga, were aged 17, 16, 15, and 13, respectively, at the time of their deaths. Their only brother, Alexei, was 13. They were executed along with their parents, Tsar Nicholas II and Tsarina Alexandra, on July 17, 1918, in Yekaterinburg, Russia.