Will Smith learned a lot about building a family on his first television show, “The Fresh Prince of Bel-Air.” And now that he’s starring in “King Richard” as the patriarch of the Williams family and father to tennis phenoms Venus and Serena Williams, he understands how those off-screen relationships are often reflected on-screen. Directed by Reinaldo Marcus Green with a script by Zach Baylin, “King Richard” details the rise of the sisters while showing the enormous influence and support that cam