By Andrew Holleran It hasn’t been the best of offseasons for Jerry Jones and the Dallas Cowboys. The Cowboys are coming off a Wild Card round loss to the 49ers. Dallas has lost multiple key players in free agency, including Randy Gregory, while trading Amari Cooper to the Browns. There’s been turmoil within the franchise, too, as a longtime vice president stepped down and the owner is facing a paternity lawsuit. Jones’ family continues to stick by him, though. (Photo by Joe Robbins/Getty Images) Jerry Jones and his wife, Eugenia Jones, have been married since 1963. They have three children tog…