Question: Jenna Bush Hager, is an American teacher, author, and journalist, she and her sister who, were the first twin children of a U.S. president, and is the elder of the fraternal twin daughters?

full_context: Document 1: Bobbie Kilberg: Bobbie Kilberg (born Barbara Greene; October 25, 1944) is a Republican operative who has worked for Presidents Richard Nixon, Gerald Ford, George H.W. Bush, and George W. Bush. Kilberg is currently the President and CEO of the Northern Virginia Technology Council and has been since 1998. She was briefly an attorney with the Washington law firm of Arnold & Porter from 1971 to 1973. Her White House experiences include serving on the staff of President Richard Nixon's Domestic Policy Council, serving under President Gerald Ford as Associate Counsel and serving for President George H.W. Bush as Deputy Assistant to the President for Public Liaison and as Director of the White House Office of Intergovernmental Affairs.
Document 2: Bay Buchanan: Angela Marie "Bay" Buchanan (born December 23, 1948) is a prominent conservative political commentator who served as Treasurer of the United States under President Ronald Reagan. She is also the sister of conservative political commentator Pat Buchanan.
Document 3: Presidency of George H. W. Bush: The presidency of George H. W. Bush began at noon EST on January 20, 1989, when George H. W. Bush was inaugurated as 41st President of the United States, and ended on January 20, 1993. Bush, a Republican, took office after a landslide victory over Democrat nominee Michael Dukakis in the 1988 presidential election. He was the first sitting vice president to be elected president since Martin Van Buren in 1836. Later, Bush, the 41st president, and his oldest son, George W. Bush, the country's 43rd (2001–2009), would become only the second father and son pair to become president. (John Adams and John Quincy Adams were the first.) Bush was denied a second term in the 1992 presidential election, which was won by Democrat Bill Clinton.
Document 4: George W. Bush: George Walker Bush (born July 6, 1946) is an American politician who served as the 43rd President of the United States from 2001 to 2009. He was also the 46th Governor of Texas from 1995 to 2000. After graduating from Yale University in 1968 and Harvard Business School in 1975, he worked in the oil industry. Bush married Laura Welch in 1977 and ran unsuccessfully for the House of Representatives shortly thereafter. He later co-owned the Texas Rangers baseball team before defeating Ann Richards in the 1994 Texas gubernatorial election. Bush was elected president in 2000 after a close and controversial win over Democratic rival Al Gore, becoming the fourth president to be elected while receiving fewer popular votes than his opponent.
Document 5: Ana's Story: Ana's Story: A Journey of Hope is a non-fiction book, by Jenna Bush, daughter of U.S. President George W. Bush. Ana's Story is the account of a 17-year-old mother who was born with HIV. Bush met Ana, identified only by her first name, while an intern for UNICEF in Latin America. Because of discrimination against AIDS victims, some names and details in the story were altered to protect the subjects.
Document 6: George P. Bush: George Prescott Bush (born April 24, 1976) is an American attorney, U.S. Navy Reserve officer, real estate investor, and politician who serves as the Commissioner of the Texas General Land Office.
Document 7: Susan Whitson: Susan Dryden Whitson was press secretary to First Lady Laura Bush, the wife of U.S. President George W. Bush. During the attacks of September 11th, she was flying from Washington to Milwaukee with Attorney General John Ashcroft. Prior to working at the White House, she was the Deputy Communications Director of the Bush-Cheney '04 campaign and the spokesperson for the President and Mrs. Bush's twin daughters, Barbara and Jenna Bush. Susan Whitson also worked for the FBI, the US Department of Justice and for Rep. Bob Riley (R-AL), the former governor of Alabama, and Rep. Bill McCollum (R-FL) on Capitol Hill. She was a high school English teacher at Hoover High School in Birmingham, Alabama. She attended Auburn University.
Document 8: Donald Trump Jr.: Donald John Trump Jr. (born December 31, 1977) is an American businessman and former reality TV personality. He is the oldest child of the 45th President of the United States, Donald Trump, and his first wife, Ivana.
Document 9: Nancy Reagan: Nancy Davis Reagan (born Anne Frances Robbins; July 6, 1921 – March 6, 2016) was an American film actress and the wife of Ronald Reagan, the 40th President of the United States. She served as the First Lady of the United States from 1981 to 1989.
Document 10: Ivanka Trump: Ivanka Trump ( born Ivana Marie Trump; October 30, 1981) is an American television personality, fashion designer, author and businesswoman who is an advisor to the President of the United States, Donald Trump. She is the daughter of the president and his first wife, former model Ivana Trump.
Document 11: Janet Huckabee: Janet McCain Huckabee (born July 16, 1955) is an American politician, the wife of former 2008 and 2016 Republican presidential candidate and former Arkansas governor, Mike Huckabee. She served as the first lady of Arkansas, from July 1996 until January 2007.
Document 12: Jenna Bush Hager: Jenna Bush Hager (born November 25, 1981) is an American teacher, author, and journalist. She is the younger of the fraternal twin daughters of the 43rd U.S. President George W. Bush and former First Lady Laura Bush, and a granddaughter of the 41st U.S. President George H. W. Bush and former First Lady Barbara Bush. She and her sister Barbara were the first twin children of a U.S. president. Hager is an author, an editor-at-large for "Southern Living" magazine, and correspondent for NBC News.
Document 13: Dana Perino: Dana Marie Perino (born May 9, 1972) is an American political commentator and author who served as the 26th White House Press Secretary, serving under President George W. Bush from September 14, 2007 to January 20, 2009. She was the second female White House Press Secretary, after Dee Dee Myers, who served during the Clinton Administration. She is currently a political commentator for Fox News, while also serving as a co-host of the network's talk show "The Five", and is a book publishing executive at Random House. Starting Monday, October 2nd, she will host "The Daily Briefing with Dana Perino" on Fox News.
Document 14: Barbara Bush (born 1981): Barbara Pierce Bush Jr. (born November 25, 1981) is the elder of the fraternal twin daughters (the other is Jenna Bush Hager) of the 43rd U.S. President George W. Bush and former First Lady Laura Bush. She is also a granddaughter of the 41st U.S. President George H. W. Bush, and his wife, Barbara Bush, after whom she was named.
Document 15: George H. W. Bush: George Herbert Walker Bush (born June 12, 1924) is an American politician who was the 41st President of the United States from 1989 to 1993 and the 43rd Vice President of the United States from 1981 to 1989. A member of the Republican Party, he was previously a congressman, ambassador, and Director of Central Intelligence. He is the oldest living former President and Vice President. Previously known as simply "George Bush", since 2001, Bush has often been referred to as "George H. W. Bush", "Bush 41", "Bush the Elder", or "George Bush Senior" to distinguish him from his eldest son, George W. Bush, the 43rd President of the United States.
ground_truth: Barbara Pierce Bush Jr.