Complex sentence: He is a kind and benevolent young man whose heart was bound to Cornelia's; even before he met her, he had dreams about her and has longed to one day meet the girl of his dreams.
Split into simpler sentences: He is a kind and benevolent young man whose heart was bound to Cornelia's. Even before he met her, he had dreams about her and has longed to one day meet the girl of his dreams.