Setting aside Rescuing of the Czar, let me quote Greg King:
.... [ in part]....
...with or without the case of Anastasia Manahan, there's clear evidence that Anastasia left the murder room alive that night and had to be beaten into silence by a drunken Ermakov. Â Whether this killed her or she then went on to disappear/escape remains the unknown factor.
Greg King
Even after all the evidence King and Wilson have sifted through, Â King can still think: Â ".....there's clear evidence that Anastasia left the murder room alive that night...."
I am begining to think:  The murder was staged and  all of them left alive that night.
Since nine of the eleven were found in the grave in Pig's Meadow, then, it's obvious,  nine  were hunted down that same night, the next day, the following month.... or, even, a year later.
The nine were executed or died of their wounds before execution after 16/ 17 July 1918 in the Impatiev House ....
The nine were buried at the same time or added one or more at a time later to the common grave.
Too many bones are missing which, to me, shows this was not where all of them were buried here first...
Two children of Nicholas II are missing.
AGRBear