"Louis-Alexandre Berthier (20 November 1753 – 1 June 1815), 1st Prince of Wagram, Sovereign Prince of Neuchâtel, was a French Marshal and Vice-Constable of the Empire, and Chief of Staff under Napoleon." - (en.wikipedia.org 10.11.2019)
en
"Louis-Alexandre Berthier (20 November 1753 – 1 June 1815), 1st Prince of Wagram, Sovereign Prince of Neuchâtel, was a French Marshal and Vice-Constable of the Empire, and Chief of Staff under Napoleon." - (en.wikipedia.org 10.11.2019)
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