Sime's youngest child, Lisa, attended Stanford University, where she was a standout soccer player. There she met her future husband, Ed McCaffrey, a Stanford Cardinal football player who went on to win three Super Bowls and a Pro Bowl during a 13-year NFL career. Their first two sons, his grandsons Max McCaffrey and Christian McCaffrey, are an American football coach and a current NFL wide receiver free agent, currently the wide receivers coach for the UNC Bears at the University of Northern Colorado, and currently the highest-paid running back in the NFL, respectively.