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
Carl Adolph Castenschiold Carl Adolph Castenschiold Carl Adolph Castenschioldm née Carl Adolph Carstens (1740 – 30 July 1820) was a Danish landowner and chamberlain. He owned knabstrup Manor (1760-1764) and Hagestedgaard (1769-1720). He was the brother of Joachim Castenschiold. Castenschiold was born on St. Thomas in the Danish West Indies, the son of plantation owner Johan Lorentz Carstens and Jacobe von Holten. The family moved to Copenhagen around the time of his birth. They lived in Store Kurkestræde. His father purchased Knabstrup and was ennobled under the name Castenschiold in 1745. He inherited knabstrup Manor in 1760 but sold the estate in 1764.