Marie of Guelders (died 12 May 1405) was one of two pretenders to the title of Duchess of Guelders and Countess of Zutphen on behalf of her son during the War of the Guelderian Succession from 1371 to 1379. The war began after the deaths of her brothers, Reginald III of Guelders and Edward of Guelders. Edward died from wounds received at the

Battle of Baesweiler The Battle of Baesweiler (22 August 1371) was a conflict between the duke of Luxembourg- Brabant and the Duke of Jülich. Background Attacks on Brabant's commercial interests in the territory of the Duke of Jülich had almost caused war in Nov ...

, and Reginald, who was known as the fat, died months later. Succession was also claimed by Marie's sister, Mathilda, whose side was called the ''Heeckerens'' and were led by Frederik van Heeckeren van der Eze (1320-1386). Her party was called the ''Bronckhorsters'' and was led by Gijsbert V van Bronckhorst (1328-1356). Upon victory of her party, the title of Duke of Guelders went to her son,

William William is a masculine given name of Germanic languages, Germanic origin. It became popular in England after the Norman Conquest, Norman conquest in 1066,All Things William"Meaning & Origin of the Name"/ref> and remained so throughout the Middle ...

.Kühler, Friedrich Nettesheim, "Geschichte der Stadt und des Amtes Geldern: mit Berücksichtigung der Landesgeschichte meist nach archivalischen Quellen. Aeußere Geschichte von der ältesten bis auf die neueste Zeit, Volume 1", Kühler, 1863 - Geldern (Germany) p
85-102
/ref> Marie was daughter of

Reginald II, Duke of Guelders Reginald II of Guelders (), called "the Black" (c. 1295 – 12 October 1343), was Count of Guelders, and from 1339 onwards Duke of Guelders, and Zutphen, in the Low Countries, from 1326 to 1343. He was the son of Reginald I of Guelders and Margue ...

and Sophie Berthout, lady of Malines. On 25 December 1362 she married

William II, Duke of Jülich William is a masculine given name of Germanic origin. It became popular in England after the Norman conquest in 1066,All Things William"Meaning & Origin of the Name"/ref> and remained so throughout the Middle Ages and into the modern era. It is ...

(† 1393). They had three children: *

(1364 † 1402), duke of Guelders (as William I) and of Jülich (as William VII) * Reinald († 1423), duke of Guelders (as Reinald IV) and of Jülich *

Joanna Joanna is a feminine given name deriving from from . Variants in English include Joan, Joann, Joanne, and Johanna. Other forms of the name in English are Jan, Jane, Janet, Janice, Jean, and Jeanne. The earliest recorded occurrence of th ...

, who married

John V, Lord of Arkel John V, Lord of Arkel (11 September 1362 – 25 August 1428) was Lord of Arkel, Haastrecht and Hagestein and stadtholder of Holland, Zeeland and West Frisia. He was a son of Lord Otto of Arkel and his wife, Elisabeth of Bar-Pierrepont. H ...

(† 1428)

References

{{reflist Duchy of Guelders People from the Duchy of Jülich 1405 deaths Medieval Dutch women 14th-century German nobility 14th-century German women 14th-century women from the Holy Roman Empire 14th-century women rulers 14th-century dukes in Europe