Barons and castellans · Commune of Modena · as at first light, 1 January 1200

Della Rosa

The lords of Sassuolo on the Secchia, where the Modenese plain meets the hills, hold the borgo and Magreta.

Their pact with Modena makes them the city's gatekeepers towards Reggio and the Frignano.

Who he is

Name
Cacciaguerra, lord of Magreta, and his brother Guido Della Rosa
Title
Lords of Sassuolo
Since
14 April 1191
Family
Della Rosa (the surname first given to Guido in the 1191 document); their descendants hold Sassuolo until 1373
Confidence
medium

it.wikipedia (Sassuolo): in a document of 14 April 1191 Cacciaguerra, already lord of Magreta, swore an oath with his brother Guido and became lord of Sassuolo; Sassuolo's alliance with Modena was made in 1178 and renewed in 1187. Whether both brothers are alive on 1 January 1200 is not pinned.

Overlord

Allies of the commune of Modena by pact (1178, renewed 1187).

What it holds

  • Sassuolo, the borgo on the Secchia
  • Magreta, downstream on the Secchia

How it was acquired

Oath of 14 April 1191.

Allies and rivals

Modena (pact of 1178, renewed 1187); facing Reggio across the Secchia.

How things stand that morning

The Della Rosa hold Sassuolo and Magreta in alliance with Modena.

Wealth

The Secchia crossing and mills, the hill road to the Frignano.

Military

Castle of Sassuolo; no figures.

Threats

  • Reggio, across the Secchia, war from 1201

Where the sources disagree

Evidence: A dated document of 1191 on it.wikipedia.

On the map: The modern comune of Sassuolo and the village of Magreta stand for the lordship.

Primary sources for Modena

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.

Sources and studies

  1. Sassuolo (it.wikipedia)

Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.