Complex sentence: Coraline meets Wyborn "Wybie" Lovat, the grandson of the apartments' landlady, Mrs. Lovat, who has a missing twin sister and a black cat, also known as the Cat, that follows Wybie around.
Split into simpler sentences: Coraline meets Wyborn "Wybie" Lovat, the grandson of the apartments' landlady, Mrs. Lovat, who has a missing twin sister. Coraline also meets a black cat, also known as the Cat, that follows Wybie around.