What are the names of all the Mobs in the Godfather 2?

In "The Godfather: Part II," the primary mob families featured include the Corleone family, led by Michael Corleone, and the Barzini family, led by Emilio Barzini. Other notable mobsters include Hyman Roth, a Jewish mobster, and Frank Pentangeli, who is associated with the Corleones. Additionally, the film presents various minor characters from other families and organized crime groups, but the focus remains on these key figures.