Nuestra Familia. As the predominant Hispanic gang in Northern California, Nuestra Familia, or NF is primarily a prison gang. Compared to other prison gangs, NF's numbers on the inside are relatively small, yet they distinguish themselves through disc... (more)ipline and fear. They have adopted the battle cry "blood in, blood out," and made their rules official, scribing a 50-page constitution laying out their bylaws. Among them, "an automatic death sentence will be put on family member that turns traitor, coward or deserter. " NF also have tens of thousands of loyal followers on the streets known as Nortenos or Northerners. The main rival of NF has always been the Mexican Mafia, with their followers being the Surenos or Southerners.