Sebastian Clifton is a fictional character from the Harry Clifton series, written by Jeffrey Archer. He is the son of Harry and Emma Clifton, and his character is developed throughout the series, showcasing his growth and challenges in a wealthy family. Sebastian is portrayed as ambitious and determined, often navigating the complexities of family legacy and personal aspirations. His relationships with other characters, including his parents and siblings, play a significant role in shaping his identity and decisions throughout the narrative.