Margaret Dashwood is a major character in Sense and Sensibility. She is the youngest daughter of Mr. and Mrs. Henry Dashwood. She has two older sisters, Elinor and Marianne. She has an elder half brother, John Dashwood. She is a sister-in-law of Edward Ferrars, Colonel Brandon, and Fanny Dashwood. She is an aunt of Harry Dashwood. She is thirteen at the beginning of the book.