He married Marie Armstrong (1892-1956), a gentile, in 1915, when he was twenty-one years of age, and they had a daughter, Edwina, who became actress Edwina Armstrong (1916-1991). He later met Rose Caylor, a writer, and together they left Chicago (and his family) in 1924, moving to New York. He was divorced from Armstrong in 1925. He married Caylor that same year, and they remained married until Hechts death in 1964. On July 30th, 1943 Ben and Rose had a daughter, Jenny Hecht, who became an actress at the age of 8, and first appeared on The Ed Sullivan Show playing the role of Helen Hayes in "The Helen Hayes Story," 1951. Jennys next appearance was in the movie "Actors and Sin," 1952. Jenny also appeared in the movie "Apres la Passion selon Sade," 1968. Jenny appeared on Broadway at the age of 9 in "MID-SUMMER," 1953-1954, "SIMONE," 1959, and in "THE PLOUGH AND THE STARS," 1960. Jenny performed with The Living Theater, 1963-1970. Jenny also had several television appearances, including "Three Empty Rooms," 1953, "Climax," 1958, "Wagon Train," 1958, and "The FBI," 1971. Jennys last appearance was in the movie "The Jesus Trip," 1971. It is not known if it was accidental or intentional, but shortly after filming of "The Jesus Trip" was completed Jenny died of a drug overdose on March 25, 1971 at the age of 27. A play about Jennys brief life, The Screenwriters Daughter, was staged in London in October 2015.
Question: How many years did his marriage to Marie Armstrong last?
Answer: 10