Is ninny threadgoode idgie's daughter

No, Ninny Threadgoode is not Idgie's daughter. Ninny is actually Idgie's aunt, and she is a central character in the novel "Fried Green Tomatoes at the Whistle Stop Cafe" by Fannie Flagg. The story unfolds through Ninny's recollections of her past, including her experiences with Idgie and her friend Ruth Jamison.