The French Count Who Married His Sister

Incest brought down the House of Armagnac

Lea
3 min readOct 8, 2021

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Jean V of Armagnac

The penultimate scion of the House of Armagnac is not a well known historical figure. Jean V, Count of Armagnac, ruled over a a small province in the foothills of the Pyrenees. Members of the family had intermarried with the House of Capet and its various branches. Indeed, Jean’s mother was born Princess Isabella of Navarre…

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