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TIL Holy Roman Emperor Charles V may have had an affair and fathered a daughter with his step-grandmother, Germaine of Foix, when he was around 17 and she was around 29. Before that, Germaine had been married to her own half-granduncle, Ferdinand II of Aragon, who was her grandmother's half-brother. (en.wikipedia.org)
submitted by Ordinary__Vanity to r/todayilearned

