In 1152 [his grandfather] Theobald Blois II Count Champagne IV Count Blois (age 62) died. His son [his uncle] Henry Blois I Count Champagne 1127-1181 (age 24) succeeded I Count Champagne. His son [his father] Theobald "Good" Blois V Count Blois 1130-1191 (age 22) succeeded V Count Blois.
In 1164 [his father] Theobald "Good" Blois V Count Blois 1130-1191 (age 34) and [his mother] Alix Capet Countess Blois 1150-1197 (age 13) were married. She by marriage Countess Blois. The difference in their ages was 20 years. She the daughter of Louis VII King Franks (age 44) and Eleanor of Aquitaine Queen Consort Franks and England (age 42). He the son of Theobald Blois II Count Champagne IV Count Blois and . They were fourth cousins. He a great grandson of King William "Conqueror" I of England. 
In 1172 Louis Blois I Count Blois was born to Theobald "Good" Blois V Count Blois 1130-1191 (age 42) and Alix Capet Countess Blois 1150-1197 (age 21). He a great x 2 grandson of King William "Conqueror" I of England.
On 20 Jan 1191 [his father] Theobald "Good" Blois V Count Blois 1130-1191 (age 61) died. His son Louis Blois I Count Blois (age 19) succeeded I Count Blois.
In 1197 [his mother] Alix Capet Countess Blois 1150-1197 (age 46) died.
Before 14 Apr 1205 Louis Blois I Count Blois (age 33) and were married. She by marriage Countess Blois. She the daughter of . He the son of Theobald "Good" Blois V Count Blois 1130-1191 and Alix Capet Countess Blois 1150-1197. He a great x 2 grandson of King William "Conqueror" I of England.
On 14 Apr 1205 Louis Blois I Count Blois (age 33) died. His son [his son] Theobald Blois VI Count Blois -1218 succeeded VI Count Blois.
[his son] Theobald Blois VI Count Blois -1218 was born to Louis Blois I Count Blois and . He a great x 3 grandson of King William "Conqueror" I of England.
[his son] Raoul Blois was born to Louis Blois I Count Blois and . He a great x 3 grandson of King William "Conqueror" I of England.
[his son] Jeanne Blois was born to Louis Blois I Count Blois and . He a great x 3 grandson of King William "Conqueror" I of England.
Paternal Family Tree: Blois
Maternal Family Tree: Dangereuse Ile Bouchard Viscountess Chatellerault 1079-1151
Descendants Family Trees:
Kings Wessex: Great x 8 Grand Son of King Edward "Elder" of the Anglo Saxons
Kings England: Great x 2 Grand Son of King William "Conqueror" I of England
Kings Franks: Grand Son of Louis VII King Franks
Kings France: Great Grand Son of Louis "Fat" VI King France
Great x 4 Grandfather: Odo Blois I Count Blois 950-996
Great x 3 Grandfather: Odo Blois II Count Blois 983-1037
Great x 4 Grandmother: Bertha Welf Queen Consort France 964-1010
Great x 2 Grandfather: Theobald Blois III Count Blois
Great x 4 Grandfather: William IV Auvergne
Great x 3 Grandmother: Ermengarde Auvergne Countess Blois 970-1040
Great x 1 Grandfather: Stephen Blois II Count Blois and Chartres 1045-1102
Great x 4 Grandmother: Unamed Penthièvre Countess Maine
GrandFather: Theobald Blois II Count Champagne IV Count Blois Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Richard "Good" Normandy II Duke Normandy
Great x 3 Grandfather: Robert "Magnificent" Normandy I Duke Normandy
Great x 4 Grandmother: Judith Penthièvre Duchess Normandy 982-1017
Great x 2 Grandfather: King William "Conqueror" I of England -2 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Father of Beatrix and Herleva
Great x 3 Grandmother: Herleva Falaise
Great x 1 Grandmother: Adela Normandy Countess Blois 1067-1137 Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Baldwin "Bearded" IV Count Flanders 980-1035
Great x 3 Grandfather: Baldwin "The Good" V Count Flanders
Great x 4 Grandmother: Ogive Luxemburg Countess Flanders -1036
Great x 2 Grandmother: Matilda Flanders Queen Consort England
Great x 4 Grandfather: Robert "Pious" II King France
Great x 3 Grandmother: Adela Capet Duchess Normandy 1009-1079
Great x 4 Grandmother: Constance Arles Queen Consort France 986-1034
Father: Theobald "Good" Blois V Count Blois 1130-1191 Great Grand Son of King William "Conqueror" I of England
Louis Blois I Count Blois 1172-1205 2 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Robert "Pious" II King France
Great x 3 Grandfather: King Henry I of France
Great x 4 Grandmother: Constance Arles Queen Consort France 986-1034
Great x 2 Grandfather: Philip "Amorous" I King France
Great x 1 Grandfather: Louis "Fat" VI King France
Great x 4 Grandfather: Dirk Gerulfing III Count Holland -1039
Great x 3 Grandfather: Floris Gerulfing I Count Holland 1025-1061
Great x 2 Grandmother: Bertha Gerulfing Queen Consort France 1055-1094
Great x 4 Grandfather: Bernard II Duke of Saxony 995-1059
Great x 3 Grandmother: Gertrude Billung Countess Holland 1030-1113
GrandFather: Louis VII King Franks
Great x 4 Grandfather: Otto Savoy
Great x 3 Grandfather: Amadeus Savoy II Count Savoy 1050-1080
Great x 2 Grandfather: Humbert "Fat" Savoy II Count Savoy 1065-1103
Great x 1 Grandmother: Adelaide Savoy Queen Consort France -1154
Great x 4 Grandfather: Reginald Ivrea I Count Burgundy 986-1057
Great x 3 Grandfather: William Ivrea I Count Burgundy 1020-1087
Great x 4 Grandmother: Alice Normandy Countess Burgundy 1002-1038
Great x 2 Grandmother: Gisela Ivrea Countess Savoy 1070-1133
Mother: Alix Capet Countess Blois 1150-1197
Great x 4 Grandfather: William "Great" V Duke Aquitaine
Great x 3 Grandfather: Guy William Poitiers VIII Duke Aquitaine
Great x 4 Grandmother: Agnes Ivrea Duchess Aquitaine
Great x 2 Grandfather: William "Troubadour" Poitiers IX Duke Aquitaine 1071-1127
Great x 4 Grandfather: Robert I Duke Burgundy
Great x 3 Grandmother: Hildegarde Burgundy Duchess Aquitaine 1056-1104
Great x 4 Grandmother: Ermengarde Blanche Ingelger Duchess Burgundy 1018-1076
Great x 1 Grandfather: William "Saint" Poitiers X Duke Aquitaine 1099-1137
Great x 4 Grandfather: Robert Mortain Count Mortain 1st Earl Cornwall
Great x 4 Grandmother: Matilda or Maud Montgomery
GrandMother: Eleanor of Aquitaine Queen Consort Franks and England