This diagram shows the ups and downs and rebirth of the empires by describing the ups and downs of the five families before and after the First World War. This template is about the character relationship diagram of "The Fall of Giants". Let's take a look. Fall of Giants is a historical novel published in 2010 by Welsh-born author Ken Follett. It is the first part of the Century Trilogy which follows five interrelated families throughout the course of the 20th century. Check more details from this relationship diagram.