Question: In what county of Massachusetts was Robert V. Bruce born?

Context paragraphs:
Malden, Massachusetts: Malden is a city in Middlesex County, Massachusetts, United States.  At the time of the 2010 United States Census, the population was at 59,450 people.  In 2009, Malden was named the "Best Place to Raise Your Kids" in Massachusetts by Bloomberg Businessweek.

Bob Kehoe: Robert V. Kehoe (1928 – September 4, 2017) was a U.S. soccer defender.  He earned four caps as captain of the U.S. national team in 1965.  He later coached the US national team in 1972.  He was also the first U.S. born coach in the North American Soccer League.  He was inducted into the National Soccer Hall of Fame in 1989.

Robert Brazell: Robert V. Brazell (born July 28, 1958) is an American businessman and entrepreneur.  He is the founder, CEO, and Chairman of Talos Partners, a private investment firm managed and operated by him and Senator Robert W. Kasten, Jr. Prior to founding Talos, Robert served as the Chief Executive Officer of Overstock.com, now a nearly $1 billion a year online enterprise which he founded in 1997, as D2: Discounts Direct.

Steve Courtin: Stephen Edward "Steve" Courtin (born September 21, 1942) is a former professional basketball player.  He played college basketball for Saint Joseph's University, where as a senior in 1963–64 he was co-awarded the Robert V. Geasey Trophy as the Philadelphia Big 5's best player.  Courtin was then selected in the 1964 NBA Draft by the Cincinnati Royals.  He played in 24 games during the 1964–65 season for the Philadelphia 76ers before moving on to two seasons in the Continental Basketball Association.

Robert V. Gentry: Robert V. Gentry (born 1933) is an American young Earth creationist and nuclear physicist, known for his claims that radiohalos provide evidence for a young age of the Earth.  He is a member of the Seventh-day Adventist Church.

Robert de Brus, 5th Lord of Annandale: Robert V de Brus (Robert de Brus), 5th Lord of Annandale (ca. 1215 – 31 March or 3 May 1295), was a feudal lord, Justice and Constable of Scotland and England, a Regent of Scotland, and a competitor for the Scottish throne in 1290/92 in the Great Cause.  His grandson Robert the Bruce eventually became King of Scots.

R. V. Young: Robert V. Young, Jr. (born 1947) is a professor of Renaissance Literature and Literary Criticism in the English Department of North Carolina State University, co-founder and co-editor (with M. Thomas Hester) of the "John Donne Journal", and author of multiple books and articles primarily related to the study of literature.  He became the editor of the conservative quarterly "Modern Age" in 2007.

Robert V, Count of Dreux: Robert V of Dreux (  1293 – 22 March 1329), Count of Dreux and Braine, was the eldest son of John II of Dreux.  His mother was Peronelle de Sully, the principal lady of Joan II, Countess of Burgundy's household.  Robert was a supporter of Joan II's husband, Philip V of France.  He succeeded his father as Count of Dreux  1293 and reigned until his death in 1329.  He married Marie d'Enghien in April 1321, but died without issue on 22 March 1329 in Braine and was succeeded by his brother, John III of Dreux.

Robert V. Barron: Robert V. Barron (born Robert V. Nemiroff; December 26, 1932 – December 1, 2000) was an American TV and film director, producer, screenwriter and actor best known for his role as the voice of Admiral Donald Hayes in the 1980s animated TV series "Robotech", of which he also served as the supervising producer.  He is also well known for playing the role of Abraham Lincoln in "Bill & Ted's Excellent Adventure" in 1989.

Robert V. Bruce: Robert Vance Bruce (December 19, 1923 in Malden, Massachusetts – January 15, 2008 in Olympia, Washington) was an American historian specializing in the American Civil War, who won the 1988 Pulitzer Prize for History for his book "The Launching of Modern American Science, 1846–1876" (1987).  After serving in the Army during World War II, Bruce graduated from the University of New Hampshire, where he earned his Bachelor of Science in mechanical engineering.  He received his Master of Arts in history and his Doctor of Philosophy from Boston University, where he was later a professor.  He also taught at the University of Bridgeport, Lawrence Academy at Groton, and the University of Wisconsin.  Bruce was also a lecturer at the Fortenbaugh Lecture at Gettysburg College.

Supporting paragraphs: Robert V. Bruce Malden, Massachusetts
Answer: Middlesex County, Massachusetts