How many Romanov children of Emperor Nicholas II were killed during the Bolshevik Revolution?
5
Q40787
entity
Nicholas II of Russia
Nicholas II
Q64386030
entity
The Bolshevik Revolution
Bolshevik Revolution
Q112707
entity
House of Romanov
Romanov
Q113584
Grand Duchess Olga Nikolaevna of Russia
Q158148
Grand Duchess Tatiana Nikolaevna of Russia
Q155422
Grand Duchess Maria Nikolaevna of Russia
Q151130
Grand Duchess Anastasia Nikolaevna of Russia
Q154045
Alexei Nikolaevich, Tsarevich of Russia