About Waltrude
Lived 612 – 688 (aged 75–76). Waltrude was a politician and abbess.
Saint Waltrude (; ; ; ; died April 9, 688 AD) is the patron saint of Mons, Belgium, where she is known in French as Sainte Waudru, and of Herentals, Belgium, where she is known in Dutch as Sint-Waldetrudis or -Waltrudis. Both cities boast a large medieval church that bears her name.
Life Waltrude was born in Cousolre in northern France, to a wealthy and influential noble family. According to Alban Butler, she was a sister to Aldegonde, foundress of Maubeuge Abbey. She was also cousin to Saint Aye.
Waltrude married Vincent Madelgarius, the Count of Hainault. They had four children: Aldetrude, abbess of Maubeuge Abbey Landry of Soignies, Roman Catholic Bishop of Metz Madelberte of Maubeuge, succeeded Aldetrude as abbess of Mauberge Dentelin of Mons
Around 642 Madelgarius founded the monastery known as Hautmont Abbey. Waltrude persuaded Saint Ghislain to establish an oratory at a place called Ursidongus, now known as Saint-Ghislain. The city of Mons grew around it.
Around 656, after the death of the young Dentelin, the couple decided to separate and retire to separate monasteries. Madelgarius went to Hautmont, where he became a Benedictine monk. Hydulphe of Hainault, husband of her cousin Aye, built her a cell and chapel near Ghislain's oratory.
Her biography celebrates her for "the pious intention under vow to free captives. She arranged the ransom price [pretium], weighed out the silver. ... When the captives had been bought back with the ransom money out of her own purse, at her command they returned to their families and homes."
Veneration
Upon her death, established by tradition as falling on 9 April 688, Waltrude was proclaimed holy by the vox populi. Waltrude is the patron saint of the city of Mons.
The shrine of Saint Waltrude is kept in the Saint Waltrude Collegiate Church in Mons. Each year, as part of the Ducasse de Mons festival, the shrine is placed on the car d'or, a gilded cart, and drawn by horses through the city streets.
Both her parents (Walbert IV and Bertille) and her sister (Aldegund) were canonized. Her four children were also declared saints (Landericus, Dentelin, Aldetrude, and Madelberte) as was her husband (Madelgaire).
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Important facts
People in Waltrude's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Waltrude's
Frequently asked questions
Who was Waltrude?
Belgian saint (612-688)
When was Waltrude born?
Waltrude was born in 612 in Cousolre.
When did Waltrude die?
Waltrude died on 9 April 688 in Mons.
What was Waltrude's occupation?
Waltrude was a politician and abbess.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Waltrude. https://biography.guide/waltrude/
MLA: "Waltrude." Biography.guide, https://biography.guide/waltrude/.
Chicago: "Waltrude." Biography.guide. https://biography.guide/waltrude/.
Data last updated: 2026-09-24 · Spot an error? Report a correction.
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