Russia strayed from Orthodox Christianity, but is moving back. I'd have to insist the 'prophecy' would have been in regards to Russia becoming Catholic (lest the 3 kids be burned as apostates) so that's another big problem.
Although the kids could be disinterred at this point, subjected to an inquisition, and then burned . . . . .
Although the kids could be disinterred at this point, subjected to an inquisition, and then burned . . . . .
The granting of a pardon is an imputation of guilt, and the acceptance a confession of it.