He threw himself at the guards and they shot him to death immediately .
Grand Duke Sergei Mikhailovcih , the oldest man in the group , was the only one to disobey .
Grand Duke Sergei Mikhailovcih threw himself at the guards and they shot Grand Duke Sergei Mikhailovcih to death immediately .
Grand Duke Sergei Mikhailovcih , the oldest man in the group , was the only one to disobey .