===
House of Blois=== The northern portion of the
County of Blois, bordering on
Normandy, was sometimes alienated as the
County of Chartres, but the Counts of Blois who possessed it did not use a separate title for it. In 1391, the death of the only son of
Guy II, Count of Blois prompted him to sell the inheritance of the County of Blois to
Louis I, Duke of Orléans, merging the title into the royal dukedom. • 960-975
Theobald I of Blois († 975),
Count of Blois and
Chartres, which he took in 960 ::: Married to
Luitgarde of Vermandois :::Theobold I was also known as Theobald the Cheat, or Theobald the Old. He was given the nickname “the Cheat” fighting with his neighbours, among them the kings of France, the dukes of Normandy, and the church of Reims. • 975-995
Odo I, Count of Blois, († 995), Count of
Chartres, and
Reims (982-995), son of the previous ::: Married to
Bertha of Burgundy • 995-1004
Theobald II of Blois († 1004),
Count of Blois,
Chartres and
Reims, the son of the previous • 1004-1037
Odo II of Blois († 1037),
Count of Blois,
Chartres,
Reims,
Meaux and
Troyes, brother of the previous ::: Married first in 1003 to Mathilde de Normandie († 1006) ::: Married second to Ermengearde of Auvergne • 1037-1089
Theobald III, Count of Blois (1019 † 1089),
Count of Blois,
Chartres,
Meaux and
Troyes son of Eudes II and Ermengearde d'Auvergne ::: Married first to Gersende of Maine ::: Married second to
Adele of Valois • 1089-1102
Stephen II, Count of Blois († 1102),
Count of Blois,
Chartres and
Meaux, son of Thibaut III and Gersende of Maine. ::: Married to
Adela of Normandy • 1102-1151
Theobald II, Count of Champagne († 1152),
Count of Blois,
Chartres and
Meaux, and then
Count of Champagne in 1125, son of the former. ::: Married in 1123 to
Matilda of Carinthia († 1161) • 1151-1191
Theobald V, Count of Blois († 1191),
Count of Blois and
Chartres, son of the former. ::: Married first to Sibylle of
Châteaurenard ::: Married second in 1164 to
Alix of France • 1191-1205
Louis I, Count of Blois († 1205),
Count of Blois and
Chartres, son of the previous and Alix de France ::: Married in 1184 to
Catherine of Clermont • 1205-1218
Theobald VI, Count of Blois († 1218), son of the previous ::: Married first to Mahaut of Alençon ::: Married second to Clemence des Roches • 1218-1248
Isabelle († 1248), Countess of Chartres and castellan of
Romorantin ::: Married first to Sulpice III d'Amboise ::: Married second to Jean II de Montmirail († 1244). ===
House of Amboise=== • 1248-1256
Matilda of Amboise († 1256), Countess of Chartres ::: Married to Richard II, Count of Beaumont, then to Jean II de Nesle
House of Blois-Châtillon :
Theobald V, Count of Blois married his second wife in 1164 to
Alix of France and father of: ::
Margaret, Countess of Blois, married to
Walter II of Avesnes, mother of: :::
Mary, Countess of Blois († 1241), married to
Hugues de Châtillon (v.1196 † 1248),
Count of Saint-Pol, mother of: • 1256-1280
John I, Count of Blois († 1280), son of the previous ::: Married 1254 to Alice of Brittany (1243-1288) • 1280-1286
Joan, Countess of Blois († 1292), daughter of the previous ::: Married 1272 to
Peter of France († 1284),
Count of Alençon and
Valois. In 1286, she sold the county of Chartres to
Philip IV of France == Counts apanage ==