Complex sentence: Hedvig is said to have been a passionate and emotional person, and the sorrows of her private life often made her sick and depressed, some say suicidal, and was said to have affected her works, which was often of the melancholic kind.
Split into simpler sentences: Hedvig is said to have been a passionate and emotional person. The sorrows of her private life affected her health and made her sick and depressed, some say suicidal, which is said to have been reflected in her works, which was often of the melancholic kind.