Scott Burman, holds his son, Jack, on his shoulders as they make their way to the park to watch the Washington Nationals play the the Miami Marlins on opening day, at Nationals Park, in Washington, DC., Monday, April 1, 2013. (Andrew S Geraci/The Washington Times)
Bruce Willis as John McClane teams with his son Jack, played by Jai Courtney, against bad guys in Russia in “A Good Day to Die Hard.” The elder McClane finds out that his son works for the CIA. Like its predecessors, the film is heavy on action. (20th Century Fox via Associated Press)
FILE - In this Nov. 24, 2011 file photo, Baltimore Ravens head coach John Harbaugh, left, and his brother, San Francisco 49ers head coach Jim Harbaugh, talk with their father, Jack, right, before their NFL football game in Baltimore. The Harbaughs, San Francisco's Jim and Baltimore's John, will be the first pair of brothers to coach against each other in the NFL title game. (AP Photo/Patrick Semansky, File)
FILE - In this Nov. 24, 2011 file photo, Baltimore Ravens head coach John Harbaugh, left, and his brother, San Francisco 49ers head coach Jim Harbaugh, talk with their father, Jack, right, before their NFL football game in Baltimore. The Harbaughs, San Francisco's Jim and Baltimore's John, will be the first pair of brothers to coach against each other in the NFL title game. (AP Photo/Patrick Semansky, File)
Macafie (left), 10, and Anthony Bobo, 8, look on as their father, Jack, votes on Election Day at Winston Churchill High School in Potomac, Md., on Nov. 6, 2012. (Barbara L. Salisbury/The Washington Times)
Susan Ettinger (second from right) gets splashed with water from her son Sam, 5, (right) daughter Sarah, 8, (second from left) and son Jack, 7, (left) while her husband Jason relaxes in the background as they enjoy the cool water of their front yard pools and watch the passing of the 46th Annual Palisades Parade and Picnic in Washington, D.C., Wednesday, July 4, 2012. (Rod Lamkey Jr./The Washington Times)
The Ettinger family (left to right) Jack, 7, Sarah, 8, husband Jason and mom Susan, watch the passing of the 46th Annual Palisades Parade and Picnic in Washington, D.C., Wednesday, July 4, 2012, from their front yard pools. (Rod Lamkey Jr./The Washington Times)
Jeremy Hilton holds his children, Jack, 2, and Kate, 9. Hilton, a stay-at-home father whose wife serves at an Air Force base in Maryland, is the first male winner of the "Military Spouse of the Year" award. (Courtesy of msoy.milspouse.com)
Jeremy Hilton holds his children, Jack, 2, and Kate, 9. Hilton, a stay-at-home father whose wife serves at an Air Force base in Maryland, is the first male winner of the "Military Spouse of the Year" award. (Courtesy of msoy.milspouse.com)
