Stephen, King of England, b. 1096/7 in Blois, France, d. 25 October 1154 in Dover, Kent, England, He acceded to the throne of England, 22 December 1135 in England

Father: Stephen of Blois, b. ca. 1045 in France, d. 19 May 1102 in Holy Land, Palestine, cause of death was murder while prisoner.
Mother: Adela, Countess of Blois, b. 1062 in Normandy, France

Spouse: Matilda of Boulogne, b. 1103, d. ca. 3 May 1152 in Hedingham, Kent, England

Father: Eustace III of Boulogne, b. bef. 1058 in Boulogne, France, d. ca. 1125
Mother: Mary of Scotland, b. ca. 1086 in Scotland, d. 18 April 1118 in Boulogne, France
Married 1125.

Children:

  1. Eustace IV of Boulogne, b. 1116 in Boulogne, France, d. 1153 in France
  2. William, Count of Boulogne, b. ca. 1128 in Boulogne, France
  3. Mary (Marie) I, Countess of Boulogne, b. 1136, m. Matthew of Alsace, 1160, annulled 1170, d. 25 July 1182 in St. Austrebert, Montreuil, France

Stephen of Blois, b. ca. 1045 in France, d. 19 May 1102 in Holy Land, Palestine, cause of death was murder while prisoner.

Father: Theobald III of Blois, b. 1012 in Blois, France, d. 1089 in France
Mother: Gersinde of Maine
Stephen's birth name was Henry, he became count of Blois as Stephen II.

Spouse: Adela, Countess of Blois, b. 1062 in Normandy, France

Father: William the Conqueror, b. 14 October 1024 in Normandy, France, d. 9 September 1087 in Rouen, Normandy, France, He defeated the English to be come king, 14 October 1066 in England, He was crowned King of England, 25 December 1066 in Westminster Abbey, London, Middlesex, England, cause of death was injuries suffered falling off a horse at the seige of Nantes, France.
Mother: Matilda of Flanders, b. ca. 1031 in Flanders, Belgium, d. 2 November 1083
Married 1080.

Children:

  1. William, Count of Sully
  2. Theobald IV of Blois, b. 1090 in France, m. Maud (Matilda) of Carinthia, 1123, d. 10 January 1152
  3. Odo, died young
  4. Stephen, King of England, b. 1096/7 in Blois, France, m. Matilda of Boulogne, 1125, d. 25 October 1154 in Dover, Kent, England, He acceded to the throne of England, 22 December 1135 in England
  5. Lucia-Mahaut, m. Richard D'Avranches, 2nd Earl of Chester, d. 25 November 1120
  6. Agnes of Blois, m. Hugh III le Puiset
  7. Eleanor of Blois, m. Ralph (Raul) I, Count of Vermandois, div. 1142, d. 1147
  8. Alix of Blois, b. ca. 1100, m. Renaud III of Joigni, d. 1145
  9. Henry, Bishop of Winchester, b. ca. 1099
  10. Humbert of Blois, died young.

Theobald III of Blois, b. 1012 in Blois, France, d. 1089 in France

Father: Eudes (Odo) II of Blois, b. 983 in Blois, France, m. Maud of Normandy, 1003/4, d. 15 November 1037 in Bar-le-Duc, Lorraine, France, cause of death was in battle
Mother: Ermengarde de Auvergne
Spouse: Gersinde of Maine, m. Albert Azzo II, Margrave of Milan
Father: Herbert I, Count of Maine
Married

Children:

  1. Stephen of Blois, b. ca. 1045 in France, m. Adela, Countess of Blois, 1080, d. 19 May 1102 in Holy Land, Palestine, cause of death was murder while prisoner.

Spouse: Alix de Crepi

Father: Raoul III of Valois
Mother: Adélaide of Bar sur Aube
Married ca. 1040.

Children:

  1. Philip, Bishop of Châlons-sur-Marne
  2. Odo V, Count of Blois, d. 1093
  3. Hugh, Count of Champagne, b. ca. 1074, m. Isabella of Burgundy, m. Constance of France, d. 1125

Eudes (Odo) II of Blois, b. 983 in Blois, France, m. Maud of Normandy, 1003/4, d. 15 November 1037 in Bar-le-Duc, Lorraine, France, cause of death was in battle

Father: Eudo (Odo) I, Count of Blois, b. ca. 942 in Blois, France, d. 12 March 996 in Marmoutier Monastery, Tours, Centre-Val de Loire, France
Mother: Bertha of Burgundy, b. 962 in Burgundy, France, m. Robert II "the Pious" Capet, King of France, 996, div. 997, m. Aimon I, Count of Vienne, ca. 997 in France, d. bef. 999

Spouse: Ermengarde de Auvergne

Father: Guilaume IV of Auvergne
Married ca. 1010.

Children:

  1. Bertha of Blois, b. ca. 1005, m. Alan III of Brittany, 1018, m. Hugh IV, Count of Maine, 1046, d. ca. 1080
  2. Stephen II of Champagne, b. ca. 1012
  3. Theobald III of Blois, b. 1012 in Blois, France, m. Gersinde of Maine, m. Alix de Crepi, ca. 1040, d. 1089 in France

Eudo (Odo) I, Count of Blois, b. ca. 942 in Blois, France, d. 12 March 996 in Marmoutier Monastery, Tours, Centre-Val de Loire, France

Father: Theobald I "the Trickster", Count of Blois, b. ca. 902, d. ca. 978 in France
Mother: Luitgarde of Vermondois, b. ca. 914 in Vermandois, Normandy, France, m. William I "Longsword", 940, d. 9 February 978 in Blois, France

Spouse: Bertha of Burgundy, b. 962 in Burgundy, France, m. Robert II "the Pious" Capet, King of France, 996, div. 997, m. Aimon I, Count of Vienne, ca. 997 in France, d. bef. 999

Father: Conrad I of Burgundy, b. ca. 940 in Burgundy, France, d. 19 October 983 in Burgundy, France
Mother: Mathilda of France, b. ca. 943, d. 981 in Arles, Burgundy, France
Married ca. 983.

Children:

  1. Robert of Blois, d. 980/96
  2. Theobald II, Count of Blois, b. ca. 985, d. 11 July 1004
  3. Eudes (Odo) II of Blois, b. 983 in Blois, France, m. Maud of Normandy, 1003/4, m. Ermengarde de Auvergne, ca. 1010, d. 15 November 1037 in Bar-le-Duc, Lorraine, France, cause of death was in battle
  4. Thierry of Blois, d. 996
  5. Agnes de Blois, b. 989 in Thouars, Brittany, France, m. Geoffroy II, Viscount de Thouars
  6. Roger of Blois

Theobald I "the Trickster", Count of Blois, b. ca. 902, d. ca. 978 in France

Father: Theobald "the Elder" of Blois, b. ca. 875 in Troyes, France, d. 904 in Verberie sur Oise, France
Mother: Richilde of Neustria, b. ca. 885 in Neustria, France

Spouse: Luitgarde of Vermondois, b. ca. 914 in Vermandois, Normandy, France, m. William I "Longsword", 940, d. 9 February 978 in Blois, France

Father: Herbert II, Count of Vermondois, b. ca. 879 in Vermandois, Normandy, France
Mother: Adela, b. ca. 899
Married ca. 943/4.

Children:

  1. Theobald of Blois, d. 962
  2. Hugh, Archbishop of Bourges, d. 985
  3. Eudo (Odo) I, Count of Blois, b. ca. 942 in Blois, France, m. Bertha of Burgundy, ca. 983, d. 12 March 996 in Marmoutier Monastery, Tours, Centre-Val de Loire, France
  4. Hildegarde of Blois, m. Bouchard de Bray, Lord of Montmorency
  5. Emma of Blois, b. 950, m. William IV Iron Arm, Duke of Aquitaine, 968, d. ca. 1003

Theobald "the Elder" of Blois, b. ca. 875 in Troyes, France, d. 904 in Verberie sur Oise, France

Spouse: Richilde of Neustria, b. ca. 885 in Neustria, France

Father: Robert I, King of France, b. 865 in Neustria, France, d. 15 June 923 in Paris, France, He became King of France 922 in Paris, France, cause of death was battle near Soissons
Mother: Adele (Adelaide) of Alsace
Married.

Children:

  1. Theobald I "the Trickster", Count of Blois, b. ca. 902, m. Luitgarde of Vermondois, ca. 943/4, d. ca. 978 in France
  2. Adelaide of Blois, m. Alan II, Duke of Brittany, m. Fulk II of Anjou

Matthew of Alsace, b. ca. 1137, d. 1173

Father: Thierry (Theodoric), Count of Flanders, b. ca. 1099, d. 17 January 1168
Mother: Sibylla of Anjou, b. 1112 in Anjou, France, m. William Clito, 1121, annulled 1124, d. 1165 in Bethlehem, Israel
Spouse: Mary (Marie) I, Countess of Boulogne, b. 1136, d. 25 July 1182 in St. Austrebert, Montreuil, France
Father: Stephen, King of England, b. 1096/7 in Blois, France, d. 25 October 1154 in Dover, Kent, England, He acceded to the throne of England, 22 December 1135 in England
Mother: Matilda of Boulogne, b. 1103, d. ca. 3 May 1152 in Hedingham, Kent, England
Mary had been elected Abbess of Romsey in 1155, but in 1160 Matthew of Alsace abducted her and forced her to marry him. Pope Alexander III objected to this marriage, even writing a letter discussing it on 18 December 1161, and the marriage was annulled in 1170. Mary then became a Benedictine nun at St. Austrebert in Montreuil, France.
Married 1160, annulled 1170.

Children:

  1. Ida, Countess of Boulogne, b. ca. 1160, m. Gerard of Guelders, m. Berthold IV, Duke of Zähringen, m. Renaud I, Count of Dammartin, d. 1216
  2. Mathilde of Flanders, b. 1170, m. Henry I "the Courageous", Duke of Brabant, 1179, d. 16 October 1210

Spouse: Eleanor, Countess of Vermandois and Valois, b. ca. 1148, m. Godfrey of Hainaut, Count of Ostervant, 1162, m. William IV, Count of Nevers, 1164, m. Matthew III, Count of Beaumont-sur-Oise, 1175, div. 1192, d. 19/21 June 1213

Father: Ralph (Raul) I, Count of Vermandois, b. ca. 1085 in Valois, France, m. Eleanor of Blois, 1125, div. 1140, m. Laurette of Flanders, 1152, d. 14 October 1152
Mother: Petronilla of Aquitaine, b. ca. 1125 in Aquitaine, France, d. 1151/2
Married 1171
Matthew and Eleanor had one short-lived daughter.