Castuli
Martyrological notice
The historical Roman Martyrology commemorates Castuli on 26 March. The Latin notice identifies the record as martyr. The source places the commemoration at Romae, via Lavicana.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Romae, via Lavicana, sancti Castuli Martyris, qui, cum esset zetarius Palatii et hospes Sanctorum, a persecutoribus tertio appensus, tertio auditus, et, in confessione Domini perseverans, missus est in foveam, ac, dimissa super eum massa arenaria, martyrio coronatus est.