
Esterhazy is a family of Hungarian magnates, whose authentic genealogy goes back to the first half of the 13th century. They were zealous partisans of the house of Hapsburg, to whom, during the reigns of Frederick II and Leopold I, they lent a powerful support.
Found on
http://www.probertencyclopaedia.com/browse/CXEA.HTM

1847–1923, French army officer who confessed forging evidence that convicted Alfred Dreyfus.
Found on
https://www.infoplease.com/dictionary/esterhazy
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