| 5 May 1893 – |
Robert G. Hagenbuch born |
| 25 Jan 1913 – |
Married Mattie M. (Pennypacker) Hagenbuch |
| 7 Feb 1925 – |
Son William "Bud" M. Hagenbuch born in Luzerne County, Pennsylvania, United States |
| 11 Oct 1928 – |
Son Frank Hagenbuch born in Beach Haven, Luzerne County, Pennsylvania, United States |
| 3 Apr 1933 – |
Son James H. Hagenbuch born |
| 14 Nov 1959 – |
Robert G. Hagenbuch died in Oswego, Oswego County, New York, United States |
| 14 Nov 1959 – |
Robert G. Hagenbuch buried in Richland Cemetery, Oswego, Oswego County, New York, United States |