| Robert Clinton Hagenbuch | 7 Jul 1887 | 26 Dec 1893 |
| Robert D. Hagenbuch | 22 Jan 1866 | 9 Nov 1952 |
| Robert Del Roy Hagenbuch, III | 11 Mar 1920 | 20 Feb 1949 |
| Robert Del Roy Hagenbuch, IV | | |
| Robert Del Roy Hagenbuch, II | 12 Dec 1894 | 7 Feb 1942 |
| Robert Frank Hagenbuch | 24 Dec 1953 | 28 Sep 2022 |
| Robert Frank Hagenbuch | 28 Nov 1921 | 6 Mar 1986 |
| Robert G. Hagenbuch | | |
| Robert Glen Hagenbuch | 5 May 1893 | 14 Nov 1959 |
| Robert Homer Hagenbuch, Jr. | | |
| Robert Homer Hagenbuch, Sr. | | |
| Robert John Hagenbuch, Sr. | 1891 | 12 Nov 1943 |
| Robert "Bob" John Hagenbuch, Jr. | 1933 | 1988 |
| Robert Todd Hagenbuch | | |
| Robert Wesley Hagenbuch | 1959 | 1 Feb 1976 |
| Robin Kay (Rusinski) Hagenbuch | | |
| Robyn Hagenbuch | | |
| Roger Allen Hagenbuch | | |
| Roger Harold Hagenbuch | | |
| Ronald Elmer Hagenbuch, Sr. | 12 Nov 1938 | 3 Jan 2017 |