Analysis of information sources in references of the Wikipedia article "MacMahon family" in English language version.
John MacMahon (or Jean Baptiste de MacMahon) […] who, in 1750, was ennobled by the French Government, and created "Count d'Equilly" […] Marshal Patrick MacMahon, President of the French Republic, Duke of Magenta
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ignored (help)born Philippe de MacMahon (1938), the fourth Duc de Magenta is also descended from the Bourbon Kings of France and is related to the present chief claimant to the French throne. MacMahon became an illustrious name in France and part of the French nobility