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 Reginald III (french: Rainaud or ''Renaud'', known as "The Fat") (13 May 1333 – 4 December 1371) was Duke of Guelders and Count of Zutphen from 1343 to 1361, and again in 1371. He was the son of Reginald II of Guelders and of Eleanor of Woodstock ...

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 against the Duke of Jülich. Background Attacks on Brabant's commercial interests in the territory of the Duke of Jülich had almost caused war in 13 ...

, 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 male given name of Germanic origin.Hanks, Hardcastle and Hodges, ''Oxford Dictionary of First Names'', Oxford University Press, 2nd edition, , p. 276. It became very popular in the English language after the Norman conquest of Engl ...

.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 ( nl, Reinoud), 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 Sophie Berthout, lady of Malines. On 25 December 1362 she married

William II, Duke of Jülich William II, Duke of Jülich ( – 13 December 1393) was the second Duke of Jülich and the sixth William in the House of Jülich. He was the second son of William I of Jülich and Joanna of Hainaut.Walther Möller, ''Stammtafeln westdeutscher ...

(† 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 he, יוֹחָנָה, translit=Yôḥānāh, lit=God is gracious. Variants in English include Joan (given name), Joan, Joann, Joanne (given name), Joanne, and Johanna. Other forms of the name in ...

, who married

John V, Lord of Arkel John V, Lord of Arkel (11 September 1362 in Gorinchem – 25 August 1428 in Leerdam) 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 ...

(† 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