What ethnic background is the last name of Duke from?

Why was the song Boogie Woogie Bugle Boy written during World War 2? Where is buczacz? What is the name for a sentence that uses every letter? What were the pitching stats for baseball player John Halla playing for the Cleveland Naps in 1905? What is Venice known as? A president can grant reprieves and pardons in all cases except one which one? An artistic movement of France beginning in 1907 that featured surfaces of geometrical planes? How long was Molly Pitcher a slave? Who founded Wenatchee? What is the past tense of reveal? How did eisenhower deal with communism in small countries? What are some agricultural discoveries salsh benefits during The Sui Dynasty? How did auguste van pel die? What is yellow journalism and how does it impact American public opinion in regards to supporting or not supporting the Spanish-American War? Should slaves be considered human or property? What was the social structure of colonial new jersey? How did this belief differ from the viewpoints of the European settlers and their American descendants? What famous women were born in California? True or false -The crusades and the Reconquista were both what is fought for religious reasons? Why was it such an important victory for the union army at the battle of Gettysburg?