I do not think it matters much which is which. They have all been found, and each is known unto God.
I have anyway read that it is by no means certain that all the remains of the original nine bodies have been assigned to the correct coffins. Quite possibly part of Alexei Trupp has been buried with Nicholas. But Trupp was literally loyal to the last, and I do not think Nicholas would have minded.
What I think is more important than these endless arguments is that there should be a proper memorial for the Romanovs whose bodies have never been found, and those of the Imperial Family's household who were shot separately from them after arriving in Ekaterinburg. I have no particular view on where that should be, but within the Peter and Paul Cathedral would seem most appropriate, given that the Imperial Family are there, and the four Grand Dukes shot in the Fortress in January 1919 have no known graves.
Ann
Ann