The Mara family is one of the most iconic sporting families in America. Wellington Mara’s father, Tim Mara, founded the New York Giants. He became the co-owner of the NFL team after his father passed. Rooney Mara is the NFL icon’s granddaughter, and she decided to go towards acting. She rose to fame with her portrayal of Lisbeth Salander in David Fincher’s movie, The Girl With The Dragon Tattoo. The iconic role earned her an Oscar nomination for Best Actress. She also played a role in the Oscar-winning film, The Social Network. Her grandfather may have found success in sports, but Rooney decided to gain superstardom in the movie industry. She’s right up there as far as famous grandkids go.