Mausoleum of Ummidia Quadratilla: A Roman Sepulchre at Cassino
Site at a Glance
- Rating
- 4.2
- Popularity
- Very Low
- Country
- Italy
- Primary era
- Classical
- Eras represented
- Classical, Medieval
- Civilizations
- Roman
- Site type
- Burial
- Remains
- Tomb
On this page6 sections
History
The Mausoleum of Ummidia Quadratilla is a Roman sepulchre in Italy, located at Cassino within the walls of ancient Casinum on the southeastern slopes of Montecassino. Its construction is broadly placed between the second century BC and the first century AD, although the exact date is uncertain. The building was long connected with Ummidia Quadratilla, a woman of the Roman senatorial elite, but this attribution remains traditional rather than proven.
Roman Casinum and Ummidia Quadratilla
A stone inscription found in 1757 records that Ummidia Quadratilla, daughter of Caius, financed an amphitheatre and a temple for the people of Casinum. She was the daughter of the consul Ummidius Durmius Quadratus. Because of the inscription, the mausoleum was once identified with the temple mentioned in the text. Its underground form and funerary character have instead led to its general interpretation as a patrician tomb.
The medieval history of the monument reflects the changing use of ancient buildings at Casinum. Around the year 1000, the structure was incorporated into a church dedicated to Saint Nicholas of Bari, decorated with frescoes associated with Benedictine artistic production. It was later rededicated to the Holy Crucifix, probably in reference to its cross-shaped plan, and received Baroque decoration during the seventeenth century. Baroque art was the elaborate architectural and artistic style that spread across Europe from the late sixteenth century onward.
Medieval interpretation and wartime damage
The Cassinese chronicler Leo of Ostia, writing in the eleventh or twelfth century, described an “idol temple in the fortress of Casinum” that had been converted into a church dedicated to Saint Peter in the eighth century. This description may refer to the temple mentioned by the ancient inscription, distinguishing that building from the mausoleum, which was associated with Saint Nicholas.
Bombing during the Second World War destroyed much of the later church complex. Important frescoes were recovered and conserved at Montecassino, while the mausoleum was cleared of the remains of the superimposed structures. It is now administered through the Regional Museums Directorate of Lazio.
Remains
The Roman tomb
The mausoleum is built into the walls of ancient Casinum from large, finely squared stone blocks fitted together without mortar. Internal lead clamps secure the blocks. Its plan is a Greek cross, with four arms of approximately equal length, each 2.75 metres deep. Shallow arches span the arms, while a perfectly circular vault rises to a height of 8.50 metres.
Four narrow slit openings align with the arms of the cross. The underground arrangement and access from outside the city through a dromos, a passage leading to a chamber or tomb, support the interpretation of the building as a crypt or aristocratic tomb rather than a temple. The structure survived earthquakes, the passage of time, and wartime destruction without substantial structural damage. It is regarded as an early form anticipating later mausoleums such as the Mausoleum of Theodoric and the Mausoleum of Galla Placidia.
Remains of the later church complex
The mausoleum forms the principal surviving part of the former church complex. Exterior remains include sections of the walls of the Church of the Crucifix and part of the bell tower’s spiral staircase. The visible exterior brickwork belongs to the later church built over the Roman structure, rather than to the original mausoleum.




