# Marie of Artois

Marie of Artois (French: Marie d'Artois, Dutch: Maria van Artesië.) Born in 1291, was the Margravine consort of Namur in 1310-1330 by marriage to John I, Marquis of Namur. She was the regent of Namur during the minority of her son William I in 1337-1340.
She became the Lady of Méraude (Merode) when she purchased it from John the Blind, King of Bohemia, in 1342, until she left it to her son William I in 1353.

## Life

She was the fourth daughter of Philip of Artois and Blanche of Brittany.
Marie married John I, Marquis of Namur, son of Guy of Dampierre, Count of Flanders and Marquis of Namur, and his second wife Isabelle of Luxembourg.
They were married by contract in Paris on 6 March 1310, confirmed in Poissy, January 1313. John granted her as dower the castle of Wijnendale in Flanders, ratified by the Count of Flanders (John's half-brother, Robert III) in 1313.
She became a widow in 1330.
In 1337, her youngest fifth son became Marquis. Since he was fifteen and a minor, she became Regent of Namur until her reached his majority.

## Issue

| Name | Lifespan | Notes |
| John of Namur Marquis of Namur | 1310/12 - 2 April 1335 | Succeeded his father in 1330 as John II, Marquis of Namur. Buried at Kloster Spaltheim. |
| Guy of Namur Marquis of Namur | 1311/13 - 12 March 1336 | Succeeded his brother in 1335 as Guy II, Marquis of Namur. |
| Henry of Namur | 1312/13 – 8 October 1333 | Canon at Chartres Cathedral; canon at Cambrai Cathedral, 1324; canon at Châlons-sur-Marne and Reims, 1325. |
| Philip of Namur Marquis of Namur | 1319 - September 1337 | Succeeded his brother in 1336 as Philip III, Marquis of Namur. Murdered at Famagusta, Cyprus. |
| Blanche of Namur Queen consort of Sweden and Norway | 1320 - autumn 1363 | She was accused by the noblewoman Birgitta Birgersdatter (Saint Bridget of Sweden) of having poisoned the latter's son, her innocence of the crime only being proved at the end of the 18th century. She lived at Tønsberghus castle in Norway from 1358, because of the political situation in Sweden, and administered the fiefs of Vestfold and Skienssysla. Married 5 November 1335 at Bohus Castle Magnus IV of Sweden. He was deposed in 1355 as King of Norway, and in 1364 as King of Sweden. |
| Marie of Namur Gräfin von Vianden Dame de Pierrepont | 1322 - before 29 October 1357 | Married firstly, in 1335/36, Henry II, Graf of Vianden, son of Philip II, Graf of Vianden and his first wife Lucia von der Neuerburg. Her first husband was murdered at Famagusta in September 1337. Married secondly (1340, dispensation 9 September 1342) her father's second cousin, Theobald of Bar, Seigneur de Pierrepont, son of Erard of Bar, Seigneur de Pierrepont et d'Ancerville (himself son of Theobald II of Bar), and his wife Isabelle of Lorraine (daughter of Theobald II, Duke of Lorraine). |
| Margaret of Namur | 1323 - 13 September 1383 | A nun at Peteghem. |
| William of Namur Marquis of Namur | 1324 - 1 October 1391 | Succeeded his brother in 1337 as William I "the Rich", Marquis of Namur. Buried at the Franciscan convent in Namur. Father of William II, Marquis of Namur, and John III, Marquis of Namur, who sold Namur to Philip the Good. |
| Robert of Namur Seigneur de Beaufort-sur-Meuse et de Renaix | 1325 - 1/29 April 1391 | Seigneur de Beaufort-sur-Meuse et de Renaix; Marshal of Brabant. Married firstly (dispensation 18 October 1354) Isabelle of Hainault, sister of Philippa of Hainault, daughter of William III, Count of Hainault and his wife Joan of Valois. Married secondly (4 February 1380) as her first husband, Isabeau de Melun, heiress of Viane, daughter of Hugues de Melun, Seigneur d'Antoing (died 1409). Robert had two illegitimate children by unknown mistresses. |
| Louis of Namur Seigneur de Peteghem et de Bailleul | 1325 - 1378/86 | Seigneur de Peteghem et de Bailleul. Flemish counsellor. Governor of Namur 1351. Married on 17 May 1365 Isabelle de Roucy, Dame de Roucy, daughter and heiress of Robert II, Count of Roucy and his wife Marie d'Enghien (-after 1396). |
| Elizabeth of Namur Electress Palatine | 1329 - 29 March 1382 | Married Rupert I, Elector Palatine, in autumn 1350 or summer 1358. Died without children in Heidelberg. |