Complex sentence: Hyacinth's youngest, man-eating sister, with an eye for married men and a taste for short skirts and provocative outfits, Rose is another family member of whom Hyacinth is ashamed and who threatens her social prestige.
Split into simpler sentences: Hyacinth's youngest, lustful sister, with an eye for married men and a taste for short skirts and' provocative' outfits. She is another family member of whom Hyacinth is ashamed and who threatens her social prestige.