Church of St Eusebius in Ronciglione: A Romanesque Basilica Built Around a 4th-Century Mausoleum
Two kilometres south of Ronciglione, along the Cassia Cimina road, among hazelnut groves and a group of oaks, the Church of Sant'Eusebio comes into view. It all began with a tomb in small tuff blocks from the 4th century AD that Flavius Eusebius — vice-governor of Campania — had built on his land for himself and his family. This is confirmed by a stone inscription. From the 6th century the tomb became a pilgrimage site, probably due to the confusion of the bishop of Sutri, who lived a century later, having the same name. The church grew around the tomb.
The Romanesque Structure
The building has three naves with a pronounced asymmetry, the result of successive alterations. The central nave — the original core — is built in large blocks of tuff with three arches per side on columns with quadrangular capitals, featuring interlaced ribbons, lanceolate leaves, angular volutes typical of the pre-Carolingian age. The square bell tower collapsed in 1940.
The Frescoes
There are badly damaged frescoes on the walls of the central nave, executed between the late 11th and early 12th centuries, featuring the Last Supper, the Washing of the Feet, the Tree of Jesse and, above the arch of the mausoleum, a blessing Christ with four saints — the last on the right is St Eusebius in episcopal vestments. On the back wall of the right nave are two slender figures in celestial tunics: the Wise Virgins. A 15th-century Madonna and Child dominates the presbytery. The church was restored in 2006.