Mr. Tolstoy, I'm really sorry, but I can't keep up with all the names. For one, you have many many many variants of names (Anna, Anna Pavlovna, Annette, her title, Scherer, or x's wife) . I get that characters X and Y have a different relationship than X and Z, which necessitates all these variants. But you have a novel (huge enormous thing that can be used to fend off an attacking octopus if I ever had the misfortune to meet one) that really does deserve the title of "epic" and the cast of characters reflects this. Plus you introduce them in huge lumps.
I propose a new system for writing character names! How about, after every name that's in a book, we have a little number after it? That way, readers (i.e. me [*wail* surely there must be others!]) can actually keep track of names. Like, since you mention Anna first, she could have a 1 after her name. In thinking about this, I think it would be awesome if there were an option to hide the number (like an electronic screen or just different editions *dreamily*). Imagine the possibilities! You could even twist their names 'round and still not confuse readers.
Impossible, but one can dream.