How many Romanov children of Emperor Nicholas II were killed during the Bolshevik Revolution?
5
3
3
3
4
3
4
2
3
4
2
3
4
2
3
4
2
3
5
4
6
2
3
5
4
6
2
3
5
1
4
6
2
3
5
1
4
6
2
3
5
0
1
4
6
2
3
5
1
4
0
6
2
3
5
1
4
6
2
3
0
5
1
4
6
9
2
7
3
5
0
1
4
6
9
2
7
3
5
1
4
0
6
9
8
2
7
3
5
1
4
6
9
8
2
7
3
0
5
1
4
6
9
8
2
7
3
117
5
0
1
4
6
9
8
2
7
5
117
1
4
0
6
9
8
2
7
5
1
117
4
6
9
8
2
7
13
0
5
10
1
6
9
8
2
7
13
117
5
89
10
0
1
6
9
8
7
13
5
10
117
62
89
1
0
6
9
8
7
13
5
10
1
117
6
9
11
62
8
7
13
89
0
118
5
10
96
1
6
9
11
8
7
13
117
62
89
10
0
109
61