[["Allie Caulfield is Holden's younger brother in Catcher in the Rye.", 106.0], ["Holden's younger brother. Allie dies of leukemia three years before the start of the novel. Allie was a brilliant, friendly, red-headed boy\u2014according to Holden, he was the smartest of the Caulfields.", 48.0]]
who is holden's brother in catcher in the rye
literature