Harpo Marx for the name Adolph (as a child, he was routinely called "Ahdie" instead). The name change may have also happened because of the similarity between Harpo's name and Adolph Marks, a prominent show business attorney in Chicago. Urban legends stating that the name change came about during World War I due to anti-German sentiment in the US, or during World War II because of the stigma that Adolf Hitler imposed on the name, are groundless. His first screen appearance was in the film "Humor Risk" (1921), with his brothers, although according to Groucho, it was only screened once and then
Marx Brothers brother, Manfred ("Mannie"), the first-born son of Sam and Minnie, was born in 1886 and died in infancy: The Marx Brothers also had an older sister, actually a cousin, born in January 1885 who had been adopted by Minnie and Frenchie. Her name was Pauline, or "Polly". Groucho talked about her in his 1972 Carnegie Hall concert. Minnie Marx came from a family of performers. Her mother was a yodeling harpist and her father a ventriloquist; both were funfair entertainers. Around 1880, the family emigrated to New York City, where Minnie married Sam in 1884. During the early 20th century,