Plot hole: Stephen dies after he was "taken off machines", at least so his wife tells the kids. But when he was shown in the hospital he was attached to no life-supporting machines except an oxygen tube in his nose. (01:33:25)
Plot hole: During the war sequence, when Samuel dies, how necessary was it for the two Germans to go through the trouble of setting up a machine gun to shoot him? I find it hard to believe they had no other weapon but that. It seems to have been done only to build suspense. (00:42:45)