Photos:: The Bush brothers | Jeb and George W. Bush

George H.W. Bush in 1970 with his four sons: from left, Neil, Jeb, George W. and Marvin.

Barbara Bush and George H.W. Bush in 1956 with George W. and Jeb, standing, and Neil and Marvin.

Portrait of the Bush family Aug. 24, 1986, in Kennebunkport, Maine. BACK ROW: Margaret holding daughter Marshall, Marvin Bush, Bill LeBlond. FRONT ROW: Neil Bush holding son Pierce, Sharon, George W. Bush holding daughter Barbara, Laura Bush holding daughter Jenna, Barbara Bush, George Bush, Sam LeBlond, Doro Bush Lebond, George P. (Jeb’s son), Jeb Bush holding son Jebby, Columba Bush and Noelle Bush.

President George W. Bush and then-Florida Gov. Jeb Bush visit a Punta Gorda, Fla., home damaged by Hurricane Charley in 2004.

Then-Florida Gov. Jeb Bush welcomes President George W. Bush and First Lady Laura Bush to Fort Lauderdale in 2004.

Then-Gov. Jeb Bush of Florida introduces President George W. Bush at a campaign rally in 2004.

President George W. Bush and then-Gov. Jeb Bush of Florida golf with their father, President George H.W. Bush, in Maine in 2001.

Then-Gov. Jeb Bush of Florida grabs at President George W. Bush before a 2002 speech.

President George W. Bush hands the pen to his brother, then-Gov. Jeb Bush of Florida, after signing an agreement in 2002 to help Everglades resoration.

President George W. Bush addresses a fundraiser for then-Gov. Jeb Bush of Florida in 2002.

Then-Gov. Jeb Bush of Florida waves after an introduction from President George W. Bush at an Orlando town hall meeting in December 2001.

President George W. Bush gives a thumbs-up after being introduced by then-Gov. Jeb Bush at a March 2001 event in Panama City, Fla.