Complex sentence: In the spring of 1918, Nicholas was handed over to the local Ural Soviet; he and his family were eventually executed by the Bolsheviks on the night of 16/17 July 1918.
Split into simpler sentences: In the spring of 1918, Nicholas was handed over to the local Ural Soviet. He and his family were executed by the Bolsheviks on the night of 16/17 July 1918.