Short answers, pulled from the story.
The Marx Brothers were an American comedy team active from 1905 to 1949. The group consisted of five biological sons born between 1887 and 1901, including Leonard Joseph Chico Marx on the 22nd of March 1887, Adolph Harpo Marx on the 23rd of November 1888, Julius Henry Groucho Marx on the 2nd of October 1890, Milton Gummo Marx on the 21st of October 1892, and Herbert Zeppo Marx on the 25th of February 1901.
Paramount Pictures signed the Marx Brothers in February 1929 to film The Cocoanuts at Astoria Studios in Queens. The movie premiered in New York in May 1929 and used primitive sound technology that required paper props to be sprayed with water to prevent microphone interference while cameras remained inside soundproof boxes.
Chico Marx died the 11th of October 1961, at age 74 from arteriosclerosis. He was the first of the brothers to pass away after Harpo died the 28th of September 1964 following heart surgery, followed by Gummo in April 1977, Groucho in August 1977, and Zeppo in November 1979.
Minnie Marx attended the premiere of I'll Say She Is on a stretcher after breaking her ankle during dress fittings. She subsequently died on the 13th of September 1929, during preparation for an Animal Crackers tour.
The production moved to Boston in September and Chicago for the remainder of the year before reaching Broadway in May 1924. The show ran for 313 performances at the Casino Theatre.