The castle town in the marshy plain of the Clanio north-east of Naples, seat of a bishop and head of the county Diepold won by betraying Count Richard of Acerra, Queen Sibylla's brother, to Henry VI.
It is Diepold's base for his war in Campania (Federiciana on Napoli).
Who holds it
- Name
- Diepold of Schweinspeunt
- Title
- Count of Acerra
- Since
- Late 1196 or early 1197
- Confidence
- high
See Diepold.
Lord in 1200
Diepold, count of Acerra (see Diepold and Diepold's Germans).
Overlord
None he obeys.
How things stand that morning
Diepold's seat.
Militia
Diepold's German garrison.
Walls and castle
The counts' castle.
Trade and crafts
Grain, flax and hemp of the plain.
Where the sources disagree
Evidence: Diepold's tenure is certain.
Primary sources for Diepold's Germans
Chronicles, registers, sagas and inscriptions written in or near 1200 that cover this entry. Each has its own page with editions, translations and where to read it.
- Annals of Montecassino; Annals of Ceccano (Fossanova) (12th and early 13th centuries; Ceccano to 1217). Two sets of annals from either side of the papal and Sicilian frontier. Read online
- Chronicle of Richard of San Germano, Richard of San Germano (first version about 1216, enlarged to 1243). The fullest southern narrative of the Hohenstaufen kingdom, written by a notary on the border of the Terra di Lavoro. Read online
- Chronicle of Sicard, bishop of Cremona, Sicard of Cremona (about 1210 to 1213). A universal chronicle whose last part is a well-placed eyewitness account by a Lombard bishop who served emperors and popes. Read online
- The Deeds of Innocent III, Anonymous (a curial official, perhaps Peter of Benevento) (about 1208 to 1209). The curia's own account of the pontificate's first decade, with letters copied in. Read online
- Book in honour of the Emperor, or On Sicilian affairs, Peter of Eboli (1195 to 1197). An illustrated verse account of Henry VI's conquest of Sicily, preserved in a single manuscript made at the imperial court. Read online
Sources and studies
- Dipoldo di Schweinspeunt (Treccani, Dizionario Biografico degli Italiani)
- Napoli (Treccani, Enciclopedia Federiciana)
Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.