374942 01: (FILE PHOTO) Barbara Bush and George Bush pose with children Neil Bush, George W. Bush, Jeb Bush and Marvin Bush in 1956. George W. Bush is currently campaigning for the Republican party for the presidencial election in November 2000. (Photo by Newsmakers)
George And Barbara Bush Relax With Family
374836 01: George Bush and his wife Barbara sit in their bed as six of their fourteen grandchildren play around them in Washington, D.C. Bush was born June 12, 1924 in Milton, Massachusetts. He attended both Phillips Academy in Andover and Yale University. (Photo by Liaison)
President George H.W. Bush And Barbara Bush Pay Their Respects
WASHINGTON - JUNE 10: Former U.S. President George H.W. Bush and his wife, Barbara Bush, pay their respects to former U.S. President Ronald Reagan in the U.S. Capitol Rotunda June 10, 2004 in Washington, DC. Reagan's body will lie in state until his funeral at the National Cathederal June 11 in Washington, DC. (Photo by Brendan Smialowski/Getty Images)
US First Lady Hillary Clinton (C) and former First
COLLEGE STATION, UNITED STATES: US First Lady Hillary Clinton (C) and former First Ladies (L-R) Lady Bird Johnson, Barbara Bush, Betty Ford, and Nancy Reagan walk together to the platform during the opening celebrations of the George Bush Library 06 November in College Station, TX. Former presidents and other former world leaders also attended the dedication. AFP PHOTO /JOHN MOTTERN (Photo credit should read JOHN MOTTERN/AFP/Getty Images)
U.S. President George Bush (L) and First Lady Barb
HOUSTON, TX - AUGUST 17: U.S. President George Bush (L) and First Lady Barbara Bush (R) work their way through a crowd gathered to welcome them, 17 August 1992, in the Astroarena. President Bush told the people that he would stage the most stunning political comeback since Harry Truman's upset 1948 victory. (Photo credit should read J.DAVID AKE/AFP/Getty Images)
President Bush Returns To White House
WASHINGTON - MARCH 23: (AFP OUT) President George W. Bush, First Lady Laura Bush, former President George H.W. Bush and Barbara Bush wave as they leave Marine One at the Naval Observatory to return to the White House March 23, 2008 in Washington, DC. Marine One landed at the Naval Observatory because the South Lawn on the White House is being prepared for the East Egg Roll on March 24. (Photo by Dennis Brack-Pool/Getty Images)
Annual Easter Egg Roll Held At The White House
WASHINGTON - MARCH 24: (AFP OUT) Former first lady Barbara Bush reads, "Arthur's New Puppy" to children as a mascot of Arthur looks on at the annual White House Easter Egg Roll March 24, 2008 on the South Lawn of the White House in Washington, DC. The annual event was started by President Rutherford B. Hayes in 1878. (Photo by Ken Cedeno-Pool/Getty Images)
Mitt Romney Receives Endorsement From Former President George H.W. Bush
HOUSTON, TX - MARCH 29: Barbara Bush talks with Republican presidential candidate, former Massachusetts Gov. Mitt Romney at Former President George H. W. Bush's office on March 29, 2012 in Houston, Texas. Mitt Romney received an endorsement from Former President George H.W. Bush and Barbara Bush during the meeting. (Photo by Tom Pennington/Getty Images)
US-BUSH-GRANDAUGHTER
This file photo shows former First Lady Barbara Bush(L) talking to her dog Millie(C) as she and grandaughter Barbara Bush(R), age nine, wait for US President George Bush to return to the White House 13 September 1991, in Washington,DC. The President was undergoing a medical checkup at Bethesda Naval Medical Center. Grandaughter Barbara is the daughter of President George W. Bush. AFP PHOTO/Jennifer LAW (Photo credit should read JENNIFER LAW/AFP/Getty Images)
George W. Bush Library Dedication Attended By President Obama And Former Presidents
DALLAS, TX - APRIL 25: U.S. President Barack Obama (2nd L), former first lady Barbara Bush (R) and first lady Michelle Obama (L) attend the opening ceremony of the George W. Bush Presidential Center April 25, 2013 in Dallas, Texas. The Bush library, which is located on the campus of Southern Methodist University, with more than 70 million pages of paper records, 43,000 artifacts, 200 million emails and four million digital photographs, will be opened to the public on May 1, 2013. The library is the 13th presidential library in the National Archives and Records Administration system. (Photo by Alex Wong/Getty Images)
USA-BIO-BUSH
US President George Bush and First Lady Barbara Bush wave to supporters on October 12, 1992 at a campaign rally in Springfield, Pennsylvania. Bush goes on to campaign in Michigan later in the day. AFP PHOTO LUKE FRAZZA (Photo credit should read LUKE FRAZZA/AFP/Getty Images)
Jeb Bush Announces Candidacy For President
MIAMI, FL - JUNE 15: Former Florida Governor Jeb Bush kisses his mother Barbara Bush as he is introduced to announce his candidacy for the Republican presidential nomination during an event at Miami-Dade College - Kendall Campus on June 15 , 2015 in Miami, Florida. Bush joins a list of Republican candidates to announce their plans on running against the Democrats for the White House. (Photo by Joe Raedle/Getty Images)
Division Series - Kansas City Royals v Houston Astros - Game Three
HOUSTON, TX - OCTOBER 11: Former President George H.W. Bush and former First Lady Barbara Bush are introduced prior to game three of the American League Division Series between the Houston Astros and the Kansas City Royals at Minute Maid Park on October 11, 2015 in Houston, Texas. (Photo by Bob Levey/Getty Images)
The Third Annual UNICEF Audrey Hepburn Society Ball
HOUSTON, TX - NOVEMBER 6: Singer Faith Hill (L) and honoree Barbara Bush (R) attends the UNICEF Audrey Hepburn Society Ball honoring former first lady Barbara Bush at the Hilton Americas Hotel on November 6, 2015 in Houston, Texas. (Photo by Bob Levey/Getty Images for U.S. Fund for UNICEF)