Neumann was a Commander of the Austrian Order of Leopold, Commander of the Portuguese Order of the Tower and Sword, Commander of the Brazilian Order of the Southern Cross, Knight Grand Cross of the Russian Order of St Stanislas.
Neumann received prestigious military honors in multiple countries, including being a Commander of the Austrian Order of Leopold, Commander of the Portuguese Order of the Tower and Sword, Commander of the Brazilian Order of the Southern Cross, and Knight Grand Cross of the Russian Order of St Stanislas.