Frontier town · County of Forcalquier · as at first light, 1 January 1200

Sisteron

The gate of the Durance between Provence and the Alps, with the count's castle and the bridge.

Alfonso takes it in 1202.

Who holds it

Name
William IV, count of Forcalquier
Title
Lord of the town
Confidence
high

Lord in 1200

William IV, count of Forcalquier, with the bishop of Sisteron

How things stand that morning

Held by William IV.

Walls and castle

Castle on the rock above the Durance gorge; the bridge.

Trade and crafts

Durance bridge and road tolls, transhumance.

What the year holds

What happened next, if nothing in play changes it. Each event carries what it depends on and what would stop it.

  1. 1202Alfonso of Provence takes Sisteron.Depends on: War renewed between Provence and Forcalquier Stopped by: Peace before then

Primary sources for Forcalquier

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.

  • Deeds of the Counts of Barcelona, Anonymous (monks of Santa Maria de Ripoll) (first version 1162 to 1184; continued in the later 13th century; final version 1303 to 1314). The house chronicle of the counts of Barcelona.
  • The Great Book of Fiefs, Various; compiled by Ramon de Caldes for Alfonso II of Aragon (compiled 1192 to 1194). The register of the count-king's feudal rights, finished a few years before 1200 and in use at Peter II's court: some 900 charters of homage, convention, oath, sale and marriage arranged by county and lineage, covering Catalonia, Roussillon, Cerdanya, Pallars, Urgell, the Carcassonne and Beziers lands of the Trencavels, Provence and Aragon.

Sources and studies

  1. Guillaume IV de Forcalquier, fr.wikipedia

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