- Maintained by: Find a Grave
- Originally Created by: Saratoga
- Added: 21 Sep 2011
- Find a Grave Memorial 76863519
Find a Grave, database and images (https://www.findagrave.com : accessed ), memorial page for Saint Callistus I (unknown–unknown), Find a Grave Memorial no. 76863519, citing Cemetery of Calepodius on the Aurelian Way, Rome, Città Metropolitana di Roma Capitale, Lazio, Italy ; Maintained by Find A Grave .