Matilda of Brabant, Countess of Artois
Marriages and issue
On 14 June 1237, which was her 13th birthday, Matilda married her first husband Robert I of Artois . Robert was the son of Louis VIII of France and Blanche of Castile . They had:
On 8 February 1250, Robert I was killed while participating in the Seventh Crusade . On 16 January 1255, Matilda married her second husband Guy III, Count of Saint-Pol . He was a younger son of Hugh I, Count of Blois and Mary, Countess of Blois . They had:
Guy IV, Count of Saint-Pol (1254 - 1317), Count of Saint Pol
Hugh II, Count of Blois (1258 - 1307), Count of Saint Pol and later Count of Blois
Jacques I of Leuze-Châtillon (died 11 July 1302 at the Battle of the Golden Spurs), first of the lords of Leuze , married Catherine de Condé and had issue; his descendants brought Condé, Carency, etc. into the House of Bourbon .
Beatrix (died 1304), married John I of Brienne, Count of Eu
Jeanne, married Guillaume III de Chauvigny, Lord of Châteauroux
Gertrude, married Florent, Lord of Mechelen (French: Malines ).
Sources
Dunbabin, Jean (2011). The French in the Kingdom of Sicily, 1266–1305 . Cambridge University Press.
Dunbabin, Jean (2014). Charles I of Anjou: Power, Kingship and State-Making in Thirteenth-Century . Routledge.
Gee, Loveday Lewes (2002). Women, art, and patronage from Henry III to Edward III, 1216-1377 . The Boydell Press.
Nieus, Jean-François (2005). Un pouvoir comtal entre Flandre et France: Saint-Pol, 1000-1300 . De Boeck & Larcier.
Pollock, M.A. (2015). Scotland, England and France after the Loss of Normandy, 1204-1296 . The Boydell Press.
Strayer, Joseph R. (1969). "Crusades of Louis IX". In Setton, Kenneth M. (ed.). A History of the Crusades . Vol. II. University of Wisconsin.