Will Bloom's family is central to the story in the novel "Big Fish" by Daniel Wallace. The family includes his father, Edward Bloom, a larger-than-life figure known for his tall tales and adventures. Will struggles to understand his father's fantastical stories and the man behind them. Will's mother, Sandra Bloom, provides a grounding presence in the family. She balances Edward's wild imagination with her practicality. Throughout the narrative, Will's relationship with his parents shapes his understanding of identity, legacy, and the nature of truth in storytelling.