Adelaide of Burgundy, Duchess of Brabant
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Adelaide of Burgundy, Duchess of Brabant
Adelaide of Burgundy
Alix Brabant.jpg
Adelaide of Burgundy on horseback (1260)
Bornc.  1233
Died(1273-10-23)23 October 1273
Noble familyBurgundy
Spouse(s)Henry III, Duke of Brabant
FatherHugh IV, Duke of Burgundy
MotherYolande of Dreux
ReligionRoman Catholicism

Adelaide of Burgundy (c. 1233 - 23 October 1273) was a daughter of Hugh IV, Duke of Burgundy by his first wife Yolande of Dreux. Alternatively, she was known as Alice (French) or Aleidis (Dutch). She was Duchess of Brabant as a result of her marriage to Henry III, Duke of Brabant in 1251 and would later act as regent of the Duchy following the death of her husband a decade later.[1]


Marriage and motherhood

Adelaide was one of ten children from her father's two marriages, notable siblings included Robert II, Duke of Burgundy and Isabella, Queen of Germany. It was common practice for Medieval nobles to arrange marriages for their teenage daughters and Adelaide was no exception. She was around eighteen years of age when she married Henry.[2] During the course of their ten-year marriage, Adelaide bore three sons: Henry (c. 1251 - aft. 1272), John (1253 - 1294) and Godfrey (died 1302) as well as one daughter Marie (1256 - 1321), who would go onto marry Philip III of France.


Upon the premature death of Henry in 1261, Adelaide assumed the regency on behalf of her underage son Henry. This arrangement was not accepted by all of the nobles at first as Adelaide faced opposition from Hendrik van Leuven of Gaasbeek, whom was a cousin of her husband.[3] Despite this, Adelaide maintained her position until her son John came of age in 1268.[4]

One notable event of the regency was the change of Duke in 1267. Adelaide's eldest son, Henry, had physical and mental disabilities which rendered him incapable of effectively ruling the Duchy upon his majority. As a result, it was decided that the adolescent was to be removed from the position and be replaced by Adelaide's second son, John.[5] Henry would go onto become a novice in Saint Bénigne Abbey in Dijon.

It has been argued by historians such as H. Pirenne and B. Blumenkranz that Thomas Aquinas addressed his Epistola ad ducissam Brabantiae to Adelaide after she wrote to him, asking for counsel in regards to her Jewish subjects.[6] In his final will and testament, her husband Henry had ordered for the expulsion of all usurers such as Jews and Cahorsins.[7] In addition, Henry claimed that his Christian subjects should be freed from exactions.[8] Although the then unknown Aquinas makes no explicit mention of Henry or his will and testament, his Epistola addresses how Adelaide should go about the matters raised by Henry. The work was only a minor treatise of Aquinas's however, it has proven significant with historians of antisemitism and taxation during the Medieval era, the two areas of concern.[9] He suggested that Adelaide should tax Jews to a certain extent and make them wear recognition signs.[10] Historians such as Raymond van Uytven doubt that the similarities between the two documents are a coincide, implying that Adelaide related her late husband's concerns to the theologian.[11] Despite asking for Aquinas's advice, Adelaide never attempted to pursue her husband's demands.

The treatise also offers the reader an insight into Adelaide herself. As the document is undated, some had suggested that the addressed Duchess was actually Adelaide's future daughter-in-law, Margaret of France.[12] Although, no reference is made to a husband, suggesting that the Duchess in question wielded power independently of a spouse (Adelaide was regent, Margaret never was). Aquinas also writes of the Duchess's devotion to the Dominican friars. Adelaide backed this up by her founding the Château of Val-Duchesse priory for women in 1262. The name means Valley of the Duchess. It was the first priory for women in the Low Countries that followed the rule of Saint Dominic.

In 1268, Adelaide handed over the reins of government to John and died five years later at roughly aged forty. One year later, Marie would become Queen of France.




  1. ^ Oude Kronik van Brabant, p. 65.
  2. ^ Annales Parchenses 1253, MGH SS XVI, p. 607
  3. ^ Translation from equivalent article on Dutch Wikipedia
  4. ^ Charles Cawley, BRABANT, LOUVAIN, Medieval Lands
  5. ^ Chisholm, Hugh, ed. (1911). "John I. of Brabant and Lorraine" . Encyclopædia Britannica. 15 (11th ed.). Cambridge University Press. p. 445.
  6. ^ R. van Uytven, 'The Date of Thomas Aquinas's Epistola ad ducissam Brabantiae', in R. Lievens, E van Mingroot and W. Verbeke (eds.) Pascua Mediaevalia (Leuven University Press, 1983), p.631.
  7. ^ Ibid, p.641
  8. ^ Ibid
  9. ^ Ibid, p.631
  10. ^ Translation from equivalent article on Dutch Wikipedia
  11. ^ Ibid, p.638
  12. ^ Ibid

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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