Harpo Marx on behalf of Harpo, Chico, and Zeppo, whom Lemmon mentioned by name. It was one of Groucho's final major public appearances. "I wish that Harpo and Chico could be here to share with me this great honor," he said, naming the two deceased brothers (Zeppo was still alive at the time). Groucho also praised the late Margaret Dumont as a great straight woman who never understood any of his jokes. Harpo Marx Arthur "Harpo" Marx (born Adolph Marx; November 23, 1888 – September 28, 1964) was an American comedian, actor, mime artist, and musician, and the second-oldest of the Marx
Adolph I, Duke of Cleves Adolph I, Duke of Cleves Adolph I of Cleves () (2 August 1373 – 23 September 1448) was the second Count of Cleves and the fourth Count of Mark. He was the son of Adolph III, Count of Mark, and Margaret of Jülich (and thus the brother of Margaret of Cleves). After his father's death in 1394, he became Count of Cleves. In 1397 he defeated his uncle William VII of Jülich, 1st Duke of Berg in the battle of Kleverhamm and became Lord of Ravenstein. When his brother Dietrich IX, Count of Mark died in battle in 1398, he