Complex sentence: For Eleonore, the news that she would become the new Empress did not make her happy, as she had still wished to become a nun; but in the end, she dutifully submit to the will of her parents.
Split into simpler sentences: For Eleonore, the news that she would become the new Empress did not make her happy, as she had wished to become a nun. But in the end, she dutifully submit to the will of her parents.