Look, if you're talking about mobster fiction that's actually about the family and power stuff, skip the glamorized stuff. A lot of the newer mafia romance plays with the aesthetics but sands down the real, ugly tension. For a brutal, generational look, Mario Puzo's 'The Godfather' is the blueprint for a reason—the whole thing is about the transfer of power from Vito to Michael and what that cost does to the concept of family. It’s not just shootouts; it's about the quiet moments in the office, the weddings, the betrayals that feel like a gut punch because they come from within.
For something more contemporary and raw, I’d point to 'The Power of the Dog' series by Don Winslow. It’s cartel-focused, so the scale is huge, but the core is this decades-long blood feud between two families. The power struggles are geopolitical, but they’re driven by intensely personal vendettas and twisted loyalties. You see characters grow up, make choices, and get consumed by the life. The family dynamics aren't just background; they're the engine of the entire conflict.