 Roosevelt was also widely known among electricians for inventing several details of the telephone including the automatic switch-hook, for which he received royalties for many years, and held an interest in the Bell Telephone Company.Roosevelt married Katherine Shippen on February 1, 1883 and had one child, Dorothy Quincy Roosevelt (born 1884).He died at his home in the Chelsea neighborhood of Manhattan at the age of 37 on December 30, 1886.