Complex sentence: Although the royal couple eventually reconciles, Jehana's hatred of Deryni is a recurring theme of her character, especially her anger toward Brion's closest friend, Duke Alaric Morgan of Corwyn.
Split into simpler sentences: Although the royal couple eventually reconciles, Jehana's hatred of Deryni is a recurring theme of her character. She has a particular antipathy toward Brion's closest friend, Duke Alaric Morgan of Corwyn.