In 1125 [her father] Ralph I Capet I Count Vermandois and Eleanor Blois were married. She the daughter of Stephen Blois II Count Blois and Chartres 1045-1102 and Adela Normandy Countess Blois 1067-1137 (age 58). He the son of Hugh "Great" Capet 1057-1101 and Adelaide I Countess Vermandois -1120. They were second cousin once removed. She a granddaughter of King William "Conqueror" I of England. 
In 1149 Eleanor Capet Countess Vermandois was born to Ralph I Capet I Count Vermandois and Petronilla Poitiers (age 24).
On 14 Oct 1152 [her father] Ralph I Capet I Count Vermandois died.
On 21 Nov 1161 William III Count Nevers Count Auxerre and Tonnere (age 54) died. His son [her future husband] William IV Count of Nevers 1130-1168 (age 31) succeeded Count Nevers.
In 1164 William IV Count of Nevers 1130-1168 (age 34) and Eleanor Capet Countess Vermandois (age 15) were married. She the daughter of Ralph I Capet I Count Vermandois and Petronilla Poitiers (age 39).
On 24 Oct 1168 [her husband] William IV Count of Nevers 1130-1168 (age 38) died. His brother [her brother-in-law] Guy Count of Nevers -1175 succeeded Count Nevers.
On 28 Mar 1183 Eleanor Capet Countess Vermandois (age 34) succeeded Countess Vermandois.
Around 1190 [her former brother-in-law] Renaud of Nevers died during the Third Crusade.
In 1193 [her mother] Petronilla Poitiers (age 68) died.
On 21 Jun 1213 Eleanor Capet Countess Vermandois (age 64) died.
[her father] Ralph I Capet I Count Vermandois and [her mother] Petronilla Poitiers were married. She the daughter of William "Saint" Poitiers X Duke Aquitaine 1099-1137 and . He the son of Hugh "Great" Capet 1057-1101 and Adelaide I Countess Vermandois -1120. They were second cousin twice removed.
[her father] Ralph I Capet I Count Vermandois and Lauretta Metz Countess Namur and Luxemburg were married. She the daughter of Thierry Count Flanders 1099-1168 and . He the son of Hugh "Great" Capet 1057-1101 and Adelaide I Countess Vermandois -1120. They were second cousin twice removed.
Geoffrey Flanders and Eleanor Capet Countess Vermandois were married. She the daughter of Ralph I Capet I Count Vermandois and Petronilla Poitiers. He the son of Baldwin Flanders IV Count Hainault 1108-1171 and . They were fourth cousins.
Paternal Family Tree: Capet
Maternal Family Tree: Dangereuse Ile Bouchard Viscountess Chatellerault 1079-1151
Kings Franks: Great x 10 Grand Daughter of Charles "Charlemagne aka Great" King Franks King Lombardy Holy Roman Emperor
Kings France: Great x 2 Grand Daughter of Robert "Pious" II King France
Great x 4 Grandfather: Hugh "Great" Capet Count Paris
Great x 3 Grandfather: Hugh I King France
Great x 4 Grandmother: Hedwig Saxon Ottonian
Great x 2 Grandfather: Robert "Pious" II King France
Great x 4 Grandfather: William "Towhead" III Duke Aquitaine 915-963
Great x 3 Grandmother: Adelaide Poitiers Queen Consort France 945-1004
Great x 4 Grandmother: Gerloc aka Adela Normandy Duchess Aquitaine 912-962
Great x 1 Grandfather: King Henry I of France
Great x 4 Grandfather: Boson II Count Arles
Great x 3 Grandfather: William "Liberator" Arles 1st Count Provence 1st Count Arles
Great x 2 Grandmother: Constance Arles Queen Consort France 986-1034
Great x 4 Grandfather: Fulk "Good" Ingelger 2nd Count Anjou 905-960
Great x 3 Grandmother: Adelaide Blanche Ingelger Queen Consort West Francia 940-1026
Great x 4 Grandmother: Gerberge Unknown Viscountess Anjou
GrandFather: Hugh "Great" Capet 1057-1101
Father: Ralph I Capet I Count Vermandois
Great x 4 Grandfather: Adalbert "The Pious" I Count Vermandois 915-987
Great x 3 Grandfather: Herbert Vermandois III Count Vermandois 953-1015
Great x 4 Grandmother: Gerberge Reginarids Countess Vermandois 935-978
Great x 2 Grandfather: Otto Vermandois I Count Vermandois 979-1045
Great x 1 Grandfather: Herbert Vermandois IV Count Vermandois 1028-1080
GrandMother: Adelaide I Countess Vermandois -1120
Eleanor Capet Countess Vermandois 1149-1213
Great x 4 Grandfather: William "Proud Arm" IV Duke Aquitaine 937-994
Great x 3 Grandfather: William "Great" V Duke Aquitaine
Great x 4 Grandmother: Emma Blois Duchess Aquitaine -1003
Great x 2 Grandfather: Guy William Poitiers VIII Duke Aquitaine
Great x 4 Grandfather: Otto William Ivrea I Count Burgundy 960-1026
Great x 3 Grandmother: Agnes Ivrea Duchess Aquitaine
Great x 1 Grandfather: William "Troubadour" Poitiers IX Duke Aquitaine 1071-1127
Great x 4 Grandfather: Robert "Pious" II King France
Great x 3 Grandfather: Robert I Duke Burgundy
Great x 4 Grandmother: Constance Arles Queen Consort France 986-1034
Great x 2 Grandmother: Hildegarde Burgundy Duchess Aquitaine 1056-1104
Great x 4 Grandfather: Fulk "Black" Ingelger III Count Anjou 970-1040
Great x 3 Grandmother: Ermengarde Blanche Ingelger Duchess Burgundy 1018-1076
GrandFather: William "Saint" Poitiers X Duke Aquitaine 1099-1137
Great x 4 Grandfather: Herluin de Conteville Mortain
Great x 3 Grandfather: Robert Mortain Count Mortain 1st Earl Cornwall
Great x 4 Grandmother: Herleva Falaise
Great x 4 Grandfather: Roger "The Great" Montgomery 1st Earl of Shrewsbury
Great x 3 Grandmother: Matilda or Maud Montgomery
Great x 4 Grandmother: Mabel Belleme
Mother: Petronilla Poitiers
