Complex sentence: Rose and her Mother Jannie Hathaway have a bad relationship, but slowly progress, Rose meet's a Moroi named Abe Mazur, Jannie tells Rose that Abe's her father.
Split into simpler sentences: Rose and her mother, Janine Hathaway have a bad relationship, but slowly progress. Rose meets a Moroi named Abe Mazur, Janine tells Rose that Abe's her father.