House of Blois



Background: This lineage came from Theobald the Elder, viscount of Tours before 908. Theobald became viscount of Blois before 922. Afterwards the House of Blois accumulated the counties of Blois, Chartres, Châteaudun, Troyes, Meaux — as successors of Herbertians — etc., then the county of Champagne, and finally the kingdom of Navarre. When Louis VII of France was greatly threatened by the vast collection of territories in the person of Henry II of England, he chose a wife from the House of Champagne (Adela of Champagne) as a counterpoise to Angevin power. The senior line of the House of Blois became extinct with the death of Joan I of Navarre, wife of Philip IV of France, in 1305. Champagne and Navarre passed to the Capetian dynasty.

King Stephen I of England, 1135–1154, was both a member of the House of Blois and the last Anglo-Norman King, being the grandson of William the Conqueror through his daughter Adela of Normandy. A branch of the family was established in Sancerre by Stephen I of Sancerre, a younger son of Theobald II, Count of Champagne. This branch became extinct at the death of Margaret of Sancerre in 1418 or 1419. The lineage derived from the Frankish nobility, had most principal members named Theobald (Thibaud, Thibault, Thibaut in French).

RulerBornReignDeathRuling partConsortNotes
Theobald I the Trickster913928-975975BloisLuitgarde of Vermandois
four children
Founder of the Blois ruling dynasty. Until 1041, the counts of Blois were also the Counts of Tours.
Odo I950975-99612 March 996BloisBertha of Burgundy
983
six children
Theobald IIc.985996-100411 July 1004BloisUnmarriedLeft no heirs, he was succeeded by his brother Odo.
Odo II/I9831004-103715 November 1037BloisMaud of Normandy
1003/4
no children

Ermengarde of Auvergne
c.1005
three/four children
Seized Champagne for himself, without royal approval, but kept these territories.
1022-1037Troyes & Meaux (Champagne)
Stephen II?1037-10471047Troyes & Meaux (Champagne)Adele
one child
Odo II10401047-10661115ChampagneAdelaide of Normandy
c.1060
one child
1069-1115Aumale
Theobald III10121037-10891089BloisGersende of Maine
one child

Adele of Valois
four children
1066-1089Champagne
Odo III10621089-10931093ChampagneUnmarriedLeft no children, and he was succeeded by his brother Hugh.
Stephen Henryc.10451089-110219 May 1102BloisAdela of Normandy
c.1080
Chartres
eleven children
Hugh10741093-11251125ChampagneConstance of France
1094
one child

Isabelle of Burgundy
1110
one child?
In 1125, after his death, his domains joined Blois.
Theobald IV/II the Great10901102-115210 January 1152BloisMatilda of Carinthia
1123
ten children
He was also Count of Champagne from 1125.
1125-1152Champagne
Stephenc.10701115-11271127AumaleHawise de Mortimer
c.1100
four children
His father-in-law supported him in his claimancy for the throne of England.
William the Fat?1127-117920 August 1179AumaleCicely FitzDuncan, Lady of Skipton
c.1130
eleven children
He was also made Earl of York. Left his domains in Aumale to his only daughter, Hawise.
Henry I the LiberalDecember 11271152-118116 March 1181ChampagneMarie of France
1159
four children
First son of Theobald II/IV, inherited Champagne.
Theobald V the Good11301152-119120 January 1191BloisSybil of Chateaurenault
no children

Alix of France
1164
seven children
Second son of Theobald II/IV, inherited Blois.
Hawise?1179-119411 March 1214AumaleWilliam de Mandeville, 3rd Earl of Essex
c.1180
no children

William de Forz
c.1190
one child

Baldwin of Bethune
1196
one child
Ruled together with her husbands. In 1194, Philip II of France took Aumale to royal domain.
Aumale was annexed to the Kingdom of France
Henry II29 July 11661181-119010 September 1197ChampagneIsabella I of Jerusalem
6 May 1192
two children
Left Champagne in Crusade and established there as king consort of Jerusalem. Left the regency to his mother.
Marie of France (regent)11451190-119711 March 1198ChampagneHenry I, Count of Champagne
1159
four children
Established the patched lands of Champagne as an unified territory. With the death of Henry II in Jerusalem, she passed the county to her youngest son, Theobald.
Louis I11721191-120514 April 1205BloisCatherine, Countess of Clermont-en-Beauvaisis
1184
three children
Theobald III13 May 11791197-120124 May 1201ChampagneBlanche of Navarre
1 July 1199
Chartres
one child
Blanche of Navarre (regent)11771201-122213 March 1229ChampagneTheobald III, Count of Champagne
1 July 1199
Chartres
one child
Regent for her son. Protected him in the War of the Succession of Champagne, and also through her, he would inherit the Kingdom of Navarre.
Theobald IV/I the Troubadour30 May 12011222-1234

1234-1253
8 July 1253Champagne

Champagne & Navarre
Gertrude of Dagsburg
1220
(annulled 1222)
no children

Agnes of Beaujeu
1222
one child

Margaret of Bourbon
12 September 1232
six children
Posthumous son of Theobald III, inherited Navarre from his uncle in 1234.
Theobald VI11901205-121816/22 April 1218BloisMathilde of Alençon
c.1210
no children

Clemence de Roches
no children
Left no heirs. He left the county to his paternal aunt, Margaret. He also left a small county around Chartres to another of his aunts, Isabelle.
Margaret11701218-123012 July 1230BloisHugh of Oisy
no children

Otto I, Count of Burgundy
1192
two children

Walter II of Avesnes
two children
Left the county to his daughter from Walter of Avesnes, Marie.
Margaret of Bourbon (regent)12171253-125612 April 1256ChampagneTheobald I of Navarre
12 September 1232
six children
Regent for her son.
Theobald V/II12381256-12704 December 1270Champagne & NavarreIsabella of France
6 April 1255
no children
Left no children. He was succeeded by his brother.
Henry III/I12441270-127422 July 1274Champagne & NavarreBlanche of Artois
February 1269
Melun
two children
Blanche of Artois (regent)12481274-12842 May 1302Champagne & NavarreHenry I of Navarre
February 1269
Melun
two children

Edmund Crouchback
3 February 1276
Paris
three children
Regent for her daughter, Joan.
Joan I14 January 12731284-130531 March/2 April 1305Champagne & NavarrePhilip IV of France
16 August 1284
seven children

Genealogy


Source For All Above: Wikipedia

                            



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