Question: What was the name of Patrick Bouvier Kennedy's younger brother, who was known as an American lawyer, journalist, magazine publlisher?

Context paragraphs:
551st United States Air Force Hospital: The 551st United States Air Force Hospital is a former hospital at Otis Air Force Base.  With the closure of the base in 1973, the hospital closed.  It was the site of the birth of Patrick Bouvier Kennedy.  The hospital consisted of a series of connected one-story buildings.The buildings were torn down in the early 1970s.

Hugh D. Auchincloss: Hugh Dudley Auchincloss Jr. (August 15, 1897 – November 20, 1976) was an American stockbroker and lawyer who became the second husband of Nina S. Gore, mother of Gore Vidal, and also the second husband of Janet Lee Bouvier, the mother of First Lady Jacqueline Bouvier Kennedy (wife of President John F. Kennedy) and Caroline Lee Bouvier.

Bouvier Beale: Bouvier Beale (13 February 1922 – 3 May 1994) was a prominent American lawyer.  Beale was a son of Edith Ewing Bouvier Beale and a brother of Edith Bouvier Beale whose lives were highlighted in the documentary "Grey Gardens".  Beale was a first cousin of Jacqueline Kennedy Onassis and Lee Radziwill.

Phelan Beale Jr.: Phelan Beale Jr. (16 June 1920 – 26 June 1993) was an American journalist and unemployment compensation law expert.  Beale was a son of Edith Ewing Bouvier Beale and a brother of Edith Bouvier Beale whose lives were highlighted in the documentary "Grey Gardens".  Beale was a first cousin of Jacqueline Kennedy Onassis and Lee Radziwill.

John F. Kennedy Jr.: John Fitzgerald Kennedy Jr. (November 25, 1960 – July 16, 1999), often referred to as JFK Jr. or John John, was an American lawyer, journalist, and magazine publisher.  He was a son of President John F. Kennedy and First Lady Jacqueline Kennedy, and a younger brother of former Ambassador to Japan Caroline Kennedy.  His father was assassinated, just three days before his third birthday.

Lee Radziwill: Caroline Lee Radziwill ("née" Bouvier, formally Bouvier-Canfield; born March 3, 1933) is an American socialite, public relations executive, interior decorator, and former actress.  She is the younger sister of the late First Lady, Jacqueline Onassis, and sister-in-law of President John F. Kennedy.  Her niece Caroline Bouvier Kennedy is named after her.  Radziwill was named to the International Best Dressed List Hall of Fame in 1996.  Married and divorced three times, her marriage to her third husband, Herbert Ross, ended in divorce shortly before his death in 2001.

Jacqueline Bouvier Kennedy Onassis Hall: Jacqueline Bouvier Kennedy Onassis Hall, formerly known as Milton Hall, is a residence hall on the campus of George Washington University (GW), located at 2222 I St., Northwest, Washington, D.C. in the Foggy Bottom neighborhood.

Caroline Kennedy: Caroline Bouvier Kennedy (born November 27, 1957) is an American author, attorney, and diplomat who served as the United States Ambassador to Japan from 2013 to 2017.  She is a prominent member of the Kennedy family and the only surviving child of President John F. Kennedy and First Lady Jacqueline Onassis.

Alice Kaplan: Alice Kaplan is the John M. Musser Professor of French and chair of the Department of French at Yale University.  Before her arrival at Yale, she was the Gilbert, Louis and Edward Lehrman Professor of Romance Studies and Professor of Literature and History at Duke University and founding director of the Center for French and Francophone Studies there.  She is the author of "Reproductions of Banality: Fascism, Literature, and French Intellectual Life" (1986); "French Lessons: A Memoir" (1993); "The Collaborator: The Trial and Execution of Robert Brasillach" (2000); and "The Interpreter" (2005), about racial injustice in the American army witnessed by Louis Guilloux.  In March 2012, Kaplan's book about the Paris years of Jacqueline Bouvier, Susan Sontag, and Angela Davis, "Dreaming in French," was published by the University of Chicago Press.  A French edition of "Dreaming in French", entitled "Trois Américaines à Paris: Jacqueline Bouvier Kennedy, Susan Sontag, Angela Davis", was published by Éditions Gallimard in October 2012, translated by Patrick Hersant.

Patrick Bouvier Kennedy: Patrick Bouvier Kennedy (August 7, 1963 – August 9, 1963) was the last child of United States President John F. Kennedy and First Lady Jacqueline Bouvier Kennedy.  He was the younger brother of Caroline and John Jr., and had a third sibling who was stillborn.  Born prematurely, Patrick Bouvier Kennedy lived just over 39 hours before desperate attempts to save him failed, putting the First Family and nation into mourning.  Three months later, his death was eclipsed by his father's assassination, but eventually his short lifespan led to innovations in treatment of premature infants, which gave rise to the pediatric subspecialty neonatology.

Supporting paragraphs: Patrick Bouvier Kennedy John F. Kennedy Jr.
Answer: John Fitzgerald Kennedy Jr.