"Fru Inger til Østråt" by Henrik Ibsen is a historical play written in 1854. Set in 1520s Norway, it follows the influential noblewoman Lady Inger as she faces a devastating choice between loyalty to her countrymen's rebellion against Swedish rule and securing her illegitimate son's future. Persuaded by her prospective son-in-law Nils Lykke, she must decide whether to betray her people by allying with the Danes, a decision that will determine her family's fate and her nation's destiny.
Wikipedia page about this book: en.wikipedia.org/wiki/Lady_Inger Wikipedia page about this book: sv.wikipedia.org/wiki/Fru_Inger_till_%C3%96str%C3%A5t