Webwhat’s fact and what’s fiction in king richard hbo’s oscar contender stars will smith as venus and serena williams’ dad. Does it tell the whole story? Webwe answer the biggest burning questions behind steven spielberg's autobiographical drama the fabelmans, including how much of it is actually true. Webbut with cooperation there is always the danger of smoothing the rough edges, and the movie, based on a screenplay by anthony mccarten, does a bit of that, too. Webdid kevin von erich receive a posthumous postcard from his brother david? Webone of the most significant changes the filmmakers behind the iron claw made was removing a von erich brother from the movie. In real life, fritz and doris von. Webhis brother, richard pelzer, wrote the book a brother's journey, confirming much of what david wrote and describing his own abuse when david was finally.