M40/general otto hoffman waldau

[LAS VEGAS]

Guys iv been trying to narrow down a lovely m40 luft helmet with second pattern eagle down to its owner.it has a small amount of battle damage.it has the name waldau on the back rim clearly from the ww2 era.the only luft waffe soldier as such is a general otto hoffman waldau of the luftwaffe.i wonder is it possible his helmet.at least its narrowed down some ,but as there was less soldiers in the luft ground troops it narrows it down a little further.question is how many waldaus where in the luft ground troops.i wouldnt be keen to find out if the aged name wasnt authentic.i see helmets with german names on the rim clearly down post war.does any one know where i could further my research,in an english speaking site please?