Hereditary lords · Duchy of Burgundy · as at first light, 1 January 1200

Montagu

The duke's only full brother and, while the duke has no son, his likely heir.

He holds the castle of Montagu on the Cote chalonnaise above Mercurey as his appanage, the seed of the Montagu branch of the ducal house.

Who he is

Name
Alexander of Burgundy (Alexandre de Bourgogne)
Title
Lord of Montagu (Montaigu)
Since
appanage from his father Hugh III (date not pinned)
Born
about 1170
Family
Younger full brother of Duke Odo III, son of Hugh III and Alice of Lorraine; founder of the Montagu branch of the ducal house. Dies in 1205.
Confidence
medium

fr.wikipedia Eudes III de Bourgogne names him as Odo's younger brother; his holdings are given from the general literature on the Montagu branch and are not pinned against charters

Overlord

Odo III, duke of Burgundy

What it holds

  • the castle of Montagu (Montaigu) above Mercurey and its lands (extent not pinned)

How it was acquired

Appanage within the ducal house.

Allies and rivals

His brother the duke; his half-brother Andrew, Dauphin of Viennois.

How things stand that morning

Holds Montagu; heir presumptive to the duchy by custom while Odo is childless.

Wealth

Vineyards of the Cote chalonnaise.

Military

Montagu castle.

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. 1205 (later course)Alexander dies; his son carries on the Montagu line.Depends on: natural death Stopped by: nothing known

Places of note

  • Montagu castle: seat of the appanage

Where the sources disagree

Evidence: Kinship is secure; the extent of his appanage in 1200 is not pinned.

On the map: Castle only.

Primary sources for Burgundy

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.

  • Chronicle of Robert of Auxerre, Robert of Auxerre (Robert of Saint-Marien) (about 1190 to 1211; continued at Saint-Marien to 1227). A universal chronicle whose last twenty years are contemporary and well informed from Burgundy and the Auxerrois. Read online
  • Deeds of Philip Augustus, Rigord (about 1186 to 1206, in stages). The French court's own chronicle for the year, from the monk of Saint-Denis who called himself the king's chronographer. Read online
  • The Conquest of Constantinople (Villehardouin), Geoffrey of Villehardouin (about 1207 to 1213). Opens with the preaching of Fulk of Neuilly and the tournament at Ecry (28 November 1199) where Theobald III of Champagne and Louis of Blois took the cross, then the taking of the cross by Baldwin of Flanders, Hugh of Saint-Pol, Geoffrey of Perche and others through early 1200, the assemblies at Soissons and Compiegne in 1200, and the six envoys sent to Venice in the winter of 1200 to 1201. Read online
  • Documents of the French Royal Treasury of Charters, vol. 1 (755 to 1223) (755 to 1223; the archive was organised from the 1190s). The treaties and bonds the French crown kept in its own archive, printed in date order. Read online
  • The Acts of Philip Augustus, with Delisle's Calendar, Various (the French royal chancery) (1179 to 1223). The king's own charters and treaties for the year: the peace of Peronne with Baldwin IX in January 1200, the treaty of Le Goulet with John on 22 May 1200, the marriage settlement for Louis and Blanche, the privilege for the scholars of Paris, grants to towns, abbeys and Norman lords, and the first acts of the king's new acquisitions in the Vexin, Evreux and Berry. Read online

Sources and studies

  1. Eudes III de Bourgogne (fr.wikipedia)

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