Marie of Ponthieu, b. 17 April 1199 in Aumale, Normandy, France, d. September 1250 in Normandy, France

Father: William IV, Count of Ponthieu, b. 1159, d. 1221
Mother: Alice of France, b. aft. 1160

Spouse: Simon II de Dammartin, Count of Aumale, b. ca. 1180 in Dammartin, Seine-et-Marne, France, d. 21 September 1239 in Abbeville, Ponthieu, France

Father: Alberic II de Dammartin, b. ca. 1160, d. 1200
Mother: Maud de Montmorency, b. ca. 1165 in Montmorencey, France
Married 1208.

Children:

  1. Joan de Dammartin, b. ca. 1216 in Dammartin, Seine-et-Marne, France, m. Fernando III "el Santo", King of Castile and Leon, 1237 in Burgos, Castile, Spain, m. Jean de Nesle, May 1260, d. 15 March 1279 in Abbeville, Ponthieu, France

William IV, Count of Ponthieu, b. 1159, d. 1221

Father: John I, Count of Ponthieu, b. ca. 1140, d. 1191
Mother: Beatrice de Candvaine, b. ca. 1145 in St. Pol de Leon, France

Spouse: Alys of France, b. aft. 1160

Father: Louis VII, King of France, b. ca. 1120 in Reims, Champagne, France, d. 18 September 1180 in Saint-Pont, Allier, Auvergne, France
Mother: Alix de Champagne, b. ca. 1127 in Blois, France
Married ca. 1179.

Children:

  1. Marie of Ponthieu, b. 17 April 1199 in Aumale, Normandy, France, m. Simon II de Dammartin, Count of Aumale, 1208, d. September 1250 in Normandy, France

John I, Count of Ponthieu, b. ca. 1140, m. Matilda St. Valerie, d. 1191

Father: Guy II, Count of Ponthieu, b. ca. 1120
Mother: Ida of Ponthieu

Spouse: Beatrice de Candvaine, b. ca. 1145 in St. Pol de Leon, France

Father: Anselme, Count of St. Pol, b. ca. 1125 in St. Pol de Leon, France, d. 1174
Mother: Estachie de Champagne, b. ca. 1130 in Champagne, France
Married.

Children:

  1. William IV, Count of Ponthieu, b. 1159, m. Alice of France, ca. 1179, d. 1221

Guy II, Count of Ponthieu, b. ca. 1120

Father: William III Talvace, Count of Ponthieu, b. 1084 in Sussex, England, d. 1171
Mother: Helie of Burgundy, b. November 1080 in Burgundy, France, d. 28 February 1141 in Ponthieu, France

Spouse: Ida of Ponthieu

Married.

Children:

  1. John I, Count of Ponthieu, b. ca. 1140, m. Beatrice de Candvaine, m. Matilda St. Valerie, d. 1191

William III Talvace, Count of Ponthieu, b. 1084 in Sussex, England, d. 1171

Father: Robert de Bellême, 3rd Earl of Shrewsbury, b. ca. 1075 in Alencon, Eure, France
Mother: Agnes of Ponthieu, b. ca. 1080 in Ponthieu, France

Spouse: Helie of Burgundy, b. November 1080 in Burgundy, France, m. Bertrand, Count of Toulouse, d. 28 February 1141 in Ponthieu, France

Father: Odo I, Duke of Burgundy, b. 1058 in Burgundy, France, d. 1102 in Cilica, France
Mother: Maud of Burgundy, b. 1065 in Burgundy, France, d. 23 March 1101/2
Married bef. 1119.

Children:

  1. Ela (Adelia) Talvas, b. ca. 1119 in Sussex, England, m. William III Warenne, ca. 1134, m. Patrick, Earl of Salisbury, ca. 1149, d. 1174/8 in Salisbury, Wiltshire, England
  2. Guy II, Count of Ponthieu, b. ca. 1120, m. Ida of Ponthieu

Robert de Bellême, 3rd Earl of Shrewsbury, b. ca. 1056 in Shrewsbury, Shropshire, England, d. 1131

Father: Roger "the Great" De Montgomery, b. 1022 in Shrewsbury, Shropshire, England, d. 27 July 1094 in Shrewsbury, Shropshire, England, He acceded to Earl of Shrewsbury, 1074 in Shrewsbury, Shropshire, England
Mother: Mabel Talvas, b. ca. 1026 in Alencon, Eure, France, d. 2 December 1082 in Bures, France, cause of death beheading by Hughes de la Roche-d'Inge., buried 5 December 1082 in Abbey of Troarn, Eure, France

Spouse: Agnes of Ponthieu, b. ca. 1080 in Ponthieu, France

Father: Guy I, Count of Ponthieu, b. ca. 1050 in Abbeville, Ponthieu, France
Married bef. 9 September 1087 in Ponthieu, France.

Children:

  1. William III Talvace, Count of Ponthieu, b. 1084 in Sussex, England, m. Helie of Burgundy, bef. 1119, d. 1171

Guy I, Count of Ponthieu, b. ca. 1050 in Abbeville, Ponthieu, France

Father: Hugh II, Count of Ponthieu
Mother: Bertha, Countess of Aumale

Children:

  1. Agnes of Ponthieu, b. ca. 1080 in Ponthieu, France, m. Robert de Bellême, 3rd Earl of Shrewsbury

Hugh II, Count of Ponthieu

Father: Enguerrand I, Count of Ponthieu, d. ca. 1045
Mother: Adelaide (Adelina) of Holland
Spouse: Bertha, Countess of Aumale
Married

Children:

  1. Enguerrand II, Count of Ponthieu, m. Adeliza, Countess of Aumale
  2. Guy I, Count of Ponthieu, b. ca. 1050 in Abbeville, Ponthieu, France
  3. Hugh of Ponthieu
  4. Waleran of Ponthieu
  5. Daughter of Ponthieu, m. William of Talou, Count of Arques

Enguerrand I, Count of Ponthieu, d. ca. 1045

Father: Hugh I, Count of Ponthieu, b. ca. 970, d. ca. 1000
Mother: Gisela of France
Spouse: Adelaide (Adelina) of Holland, b. ca. 990, m. Baldwin II, Count of Boulogne, m. Enguerrand I, Count of Ponthieu, d. ca. 1045
Father: Arnulf (Arnold), Count of Holland, b. 951 in Ghent, Holland, d. 18 September 993 in Holland, cause of death was in battle, He became Count of Holland, 988 in Holland
Mother: Luitgarde of Luxembourg, b. 955, d. ca. 1003
Married
Robert may be the son of Enguerrand's second wife, who may have been the widow of Arnold II, Count of Boulogne, who died in battle against Enguerrand

Children:

  1. Hugh II, Count of Ponthieu
  2. Robert of Ponthieu

Children by an unknown second wife:

  1. Guy, Bishop of Amiens
  2. Fulk, Abbot of Forest l'Abbaye

Hugh I, Count of Ponthieu, b. ca. 970, d. ca. 1000

Father: Hildouin III de Ponthieu
Mother: Hersende la Pieuse de Ramerupt
Hugh was also known as "Hugh Miles"
Spouse: Gisela of France
Father: Hugh "The Great" Capet
Married ca. 994

Children:

  1. Enguerrand I, Count of Ponthieu, m. Adelaide (Adelina) of Holland, d. ca. 1045
  2. Guy of Ponthieu

Hildouin III de Ponthieu

Father: Guillaume de Ponthieu
Spouse: Hersende la Pieuse de Ramerupt
Married

Children:

  1. Hugh I, Count of Ponthieu, b. ca. 970, m. Gisela of France, d. ca. 1000

Anselme, Count of St. Pol, b. ca. 1125 in St. Pol de Leon, France, d. 1174

Spouse: Estachie de Champagne, b. ca. 1130 in Champagne, France

Father: Eustace IV of Boulogne, b. 1116 in Boulogne, France, d. 1153 in France
Married.

Children:

  1. Beatrice de Candvaine, b. ca. 1145 in St. Pol de Leon, France, m. John I, Count of Ponthieu

Eustace IV of Boulogne, b. 1116 in Boulogne, France, d. 1153 in 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 in Hedingham, Kent, England, d. ca. May 1152 in London, Middlesex, England

Children:

  1. Estachie de Champagne, b. ca. 1130 in Champagne, France, m. Anselme, Count of St. Pol

Eustace III of Boulogne, b. bef. 1058 in Boulogne, France, d. ca. 1125

Father: Eustace II of Boulogne, b. ca. 1050 in Boulogne, France, d. 1093 in England
Mother: Ida of Bouillon, b. ca. 1055 in Bouillon, France

Spouse: Mary of Scotland, b. ca. 1086 in Scotland, d. 18 April 1118 in Boulogne, France

Father: Malcolm III Canmore, King of Scotland, b. 1031 in Scotland, d. 13 November 1093, became king 25 April 1058 in Scotland
Mother: Margaret "Atheling", b. ca. 1043 in Hungary, d. 16 November 1093 in Escorial, Madrid, Spain
Married 1102.

Children:

  1. Matilda of Boulogne, b. 1103, m. Stephen, King of England, 1125, d. ca. May 1152 in Hedingham, Kent, England