Arthur Marx Arthur Marx Arthur Julius Marx (July 21, 1921April 14, 2011) was an American author, a nationally ranked amateur tennis player, and son of entertainer Groucho Marx, and his first wife, Ruth Johnson. He was named after Groucho's brother Arthur "Harpo" Marx. Marx spent his early years accompanying his father around vaudeville circuits in the United States and abroad. When he was 10, the family moved to Southern California, where the Marx Brothers continued their film careers. Marx was a nationally ranked tennis player before he was 18. While he was attending the University of Southern California, he won the National
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.