Robert I "the Good" (1216 – February 8, 1250) was Count of Artois. He was the third (and second surviving) son of King Louis VIII of France and Blanche of Castile. Events Prince Louis of France, the future King Louis VIII, invades England in the First Barons War Henry III becomes King of England. ... February 8 is the 39th day of the year in the Gregorian Calendar. ... Events December 13 - Death of Frederick II, Holy Roman Emperor Louis IX of France is captured by Muslims and has to ransom himself Mabinogion appears Albertus Magnus isolates the element arsenic Vincent of Beauvais writes proto-encyclopedic The Greater Mirror City of Stockholm founded Alphonso III of Portugal takes Algarve... The County of Artois was a Carolingian county, established by the counts Odalric and Ecfrid of Artois, then integrated into the County of Flanders, first by Baldwin II of Flanders around 898, then by Arnulf I of Flanders. ... Louis VIII the Lion (French: Louis VIII le Lion) (September 5, 1187 – November 8, 1226) reigned as King of France from 1223 to 1226. ... Blanche of Castile (1188-1252), wife of Louis VIII of France, third daughter of Alfonso VIII, king of Castile, and of Eleanor of England, daughter of Henry II, was born at Palencia. ...

On June 14, 1237, Robert married Matilda of Brabant, daughter of Henry II, Duke of Brabant, and they had two children: June 14 is the 165th day of the year in the Gregorian calendar (166th in leap years), with 200 days remaining. ... // Events Thomas II of Savoy becomes count of Flanders. ... Henry II of Brabant (1207 - February 1, 1248) was Duke of Brabant after the death of his father in 1235. ...

1. Blanche of Artois (1248–1302)
2. Robert II of Artois (1250–1302), Count of Artois

He was killed in Egypt during the Seventh Crusade of his brother Louis IX of France, while leading a reckless attack on Al Mansurah. He and the Templars accompanying the expedition charged into the town and became trapped in the narrow streets. According to Jean de Joinville, he defended himself for some time in a house there, but was at last overpowered and killed. Blanche de Navarre (originally Blanche dArtois) (c. ... Events Louis IX of France departs on the Seventh Crusade for Egypt Kingdom of Castile captures city of Seville from Muslims Cologne cathedral: old cathedral burns down April 30; foundation stone to current cathedral laid August 15 Births Deaths January 4 - King Sancho II of Portugal, in exile in Toledo... Events July 11 - Battle of the Golden Spurs (Guldensporenslag in Dutch), major victory of Flanders over the French occupier. ... Robert II of Artois (September 1250 – July 11, 1302) was the posthumous son and heir of Robert I of Artois and Matilda of Brabant. ... Events December 13 - Death of Frederick II, Holy Roman Emperor Louis IX of France is captured by Muslims and has to ransom himself Mabinogion appears Albertus Magnus isolates the element arsenic Vincent of Beauvais writes proto-encyclopedic The Greater Mirror City of Stockholm founded Alphonso III of Portugal takes Algarve... The Seventh Crusade was a crusade led by Louis IX of France from 1248 to 1254. ... Only representation of Saint Louis known to be true to life - Early 14th century statue from the church of Mainneville, Eure, France King Louis IX of France or Saint Louis (April 25, 1214/1215–August 25, 1270) was King of France from 1226 until his death. ... Al Mansurah (Arabic منصورة) is considered to be Egyptian fourth city after Cairo, Alexandria and Port Said. ... The Seal of the Knights — the two riders have been interpreted as a sign of poverty or the duality of monk/soldier. ... Jean de Joinville (1224 - December 24, 1319) was one of the great chroniclers of medieval France. ...