Natasha Saul is the sister to Estelle Saul whom is engaged to none other than Arthur Shelby . Natasha is brought to met the Shelby family one night and fascinates everyone, leaving them with one question , Who is Natasha Saul . DISCLAIMER: I don't own any rights to Peaky Blinders this is a fanfiction. Be warned contains: swearing and well ..Peaky Blinder stuff.