When Robert Harold Larue was born on 9 September 1918, in Ohio, United States, his father, Harry Gray LaRue, was 39 and his mother, Ida Mabel Caldwell, was 33. He married Irene Ethel Holeman on 12 November 1950, in Crawford, Ohio, United States. He lived in Bucyrus Township, Crawford, Ohio, United States in 1930. He died on 29 August 1991, in Bucyrus, Crawford, Ohio, United States, at the age of 72, and was buried in Bucyrus, Crawford, Ohio, United States.