Counts · Other imperial lands · as at first light, 1 January 1200

San Martino

Counts of the central Canavese between the Orco and the Dora Baltea, with San Martino, Agliè and Castellamonte among their later castles.

Rivals of the Valperga. Their position in 1200 is not documented in the sources consulted.

Who he is

Name
Not pinned: the counts alive on 1 January 1200 are not named in the sources consulted
Title
Counts of San Martino (a consortium of kinsmen)
Since
not pinned
Born
not pinned
Family
The third Canavese comital consortium, of the same stock as the Valperga and Masino (genealogies make them descend from Ardizzone of Pombia); they had split from the common patrimony before 1222.
Confidence
low

it.wikipedia Valperga (famiglia) and Conti del Canavese.

Overlord

The emperor; the bishop of Ivrea for church fiefs.

What it holds

  • San Martino Canavese
  • Agliè and Castellamonte (later branches; held in 1200 not pinned)
  • Rights over Cuorgne, disputed with the Valperga

How it was acquired

Inherited Canavese comital rights.

Allies and rivals

Rivals of the Valperga; later Guelf and Savoy-leaning (later centuries; not pinned for 1200).

Wealth

Farming and dues of the central Canavese.

Military

Castles; no figures.

Threats

  • The Valperga
  • Ivrea and Vercelli

Places of note

  • San Martino Canavese: Name-seat of the counts.

Where the sources disagree

Evidence: Origin and rivalry only.

On the map: Very rough.

Primary sources for Empire

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.

8 more in the sources library for The Rhineland, the Low Countries and the Swiss Lands.

Sources and studies

  1. Valperga (famiglia) (it.wikipedia)
  2. Conti del Canavese (it.wikipedia)

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