Adelaide, {fictional}

There is a Legend of a Adelasia "mythical daughter of the German emperor Otto I of Saxony [9]" fleeing on love with a poor Aleramo then forgiven and married with the emperor's approval.

reported, well explained and then followed by the true chapter of historical facts: 

• https://it.wikipedia.org/wiki/Aleramici#La_leggenda_di_Aleramo

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-https://www.ilmonferrato.it/notizia/_lLYjGAujUqUW3j6DtSBlQ/aleramo-...
Una favola d’amore a lieto fine
..raccontata dal frate domenicano Matteo Bandello (1485-1561),..

 /!\  here even with a time mistake referring to the wrong emperor /!\ 

• Otto I, Holy Roman emperor (912-973)
  • Otto II, Holy Roman Emperor (955-983)
    • Adelheid I, Abbess of Quedlinburg (977-1040)

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Source  PLZ