Although this case is taking place "across the pond" it raises interesting questions on copyright. 

Every year books and films are released that are based on true stories, loosely or otherwise, but it's not often that we hear of disputes over rights to a family story. More often that not, whomever's story it is, is usually involved in the commercial process. 

On the one hand, the defendant is arguing that the family's story is part of the public record and the content of their film and book is original enough to warrant separate rights. On the other hand, this story is part of the plaintiff's history and it is understandable that she would want to protect it as such. 

Whatever the outcome, this case stresses the importance of copyright and making sure you adequately protect your rights of ownership. Legal advice early on, especially where you have a story that may be valuable, could make a huge difference down the line.