Simon of Dammartin (1180 – 21 September 1239) was a son of

Alberic III of Dammartin Alberic III of Dammartin (Aubry de Dammartin) ( – 19 September 1200) was a French count and son of Alberic II, Count of Dammartin, and Clémence de Bar, daughter of Reginald I, Count of Bar. He married Mathilde, heiress to the county of Cle ...

(Aubry de Dammartin) and his wife Mathildis of Clermont, heiress to the county of Clermont and daughter of Renaud II, Count of Clermont.

Biography

Simon was the brother of

Renaud I, Count of Dammartin Renaud de Dammartin (Reginald of Boulogne) (c. 1165 – 1227) was Count of Boulogne from 1190, Count of Dammartin from 1200 to 1214 and Count of Aumale from 1204 to 1214. He was son of Alberic III of Dammartin and Mathilde of Clermont. Brou ...

, who had abducted the heiress of Boulogne, and forced her to marry him. It is thought that in order to strengthen the alliance with the Dammartins, King Philip Augustus of France allowed Simon to marry

Marie, Countess of Ponthieu Marie of Ponthieu (17 April 1199 – 21 September 1250) was ''suo jure'' Countess of Ponthieu and Countess of Montreuil, ruling from 1221 to 1250. Biography Marie was the daughter of William IV of Ponthieu and Alys, Countess of the Vexin, and gra ...

, who was a niece of the king, in 1208. Renaud and Simon of Dammartin would eventually ally themselves with John, King of England. In 1214 the brothers stood against Philip Augustus in the

Battle of Bouvines The Battle of Bouvines was fought on 27 July 1214 near the town of Bouvines in the County of Flanders. It was the concluding battle of the Anglo-French War of 1213–1214. Although estimates on the number of troops vary considerably among mo ...

. The French won the battle, and Renaud was imprisoned, while Simon was exiled. Marie's father William IV, Count of Ponthieu had remained loyal to Philip Augustus. When William died in 1221, Philip Augustus denied Marie her inheritance and gave Ponthieu in custody to his cousin

Robert III, Count of Dreux Robert III of Dreux (1185–1234), List of Counts of Dreux, Count of Dreux and Braine, was the son of Robert II of Dreux, Robert II, Count of Dreux, and Yolanda de Coucy. He was given the epithet, byname Gasteblé (lit. wheat-spoiler) when he de ...

. After the death of Philip Augustus, Marie was able to negotiate an agreement with his successor

Louis VIII Louis VIII (5 September 1187 – 8 November 1226), nicknamed The Lion (french: Le Lion), was King of France from 1223 to 1226. As prince, he invaded England on 21 May 1216 and was excommunicated by a papal legate on 29 May 1216. On 2 June 1216 ...

in 1225. Ponthieu was held by the king, and Simon would only be allowed to enter this or any other fief if he obtained royal permission. In 1231 Simon agreed to the terms and added that he would not enter into marriage negotiations for his daughters without consent of the king.

Family

Simon married

, the daughter of William IV, Count of Ponthieu and

Alys, Countess of the Vexin Alys of France, (or Alice) Countess of Vexin (4 October 1160 – c. 1220) was a French princess, the daughter of Louis VII, King of France and his second wife, Constance of Castile. Life Alys was the half-sister of Marie and Alix of France ...

. Marie became Countess of Ponthieu in 1225. Simon and his wife Marie had four daughters: *

Joan, Countess of Ponthieu Joan of Dammartin (french: Jeanne; 1220 – 16 March 1279) was Queen of Castile and León by marriage to Ferdinand III of Castile. She also ruled as Countess of Ponthieu (1251–1279) and Aumale (1237–1279). Her daughter, the English queen Ele ...

(1220–1278), married 1)

Ferdinand III of Castile Ferdinand III ( es, Fernando, link=no; 1199/120130 May 1252), called the Saint (''el Santo''), was King of Castile from 1217 and King of León from 1230 as well as King of Galicia from 1231. He was the son of Alfonso IX of León and Berenguel ...

. Mother of Eleanor of Castile, the wife of

Edward I of England Edward I (17/18 June 1239 – 7 July 1307), also known as Edward Longshanks and the Hammer of the Scots, was King of England and Lord of Ireland from 1272 to 1307. Concurrently, he ruled the duchies of Aquitaine and Gascony as a vas ...

. Married 2) Jean de Nesle, Seigneur de Falvy et de La Hérelle. * Mathilda of Dammartin (-1279), married John of Châtellerault *

Philippe of Dammartin Philippe of Dammartin (Philippa de Dammartin) was a 13th-century noble woman. Philippe was the daughter of Simon of Dammartin, Count of Aumâle and his wife Marie of Ponthieu. She was the sister of Joan, Countess of Ponthieu, wife of Ferdinand III ...

(-1280), married 1) Raoul II of Lusignan, 2)

Raoul II, Lord of Coucy Raoul II, Lord of Coucy (died 1250) was a son of Enguerrand III and his wife Maria of Oisy. In 1246 he succeeded his father as lord of Coucy. Raoul died at the Battle of Mansurah in Egypt during the Seventh Crusade. Raoul married Elisabeth, ...

, 3)

Otto II, Count of Guelders Otto II, Count of Guelders (c. 1215 – 1 January 1271) was a nobleman from the 13th century. He was the son of Gerard III, Count of Guelders and Margaretha of Brabant. Life After Count William II (1227–1256) was slain in 1256 by Frisians h ...

. * Maria of Dammartin, married John II,

Count of Roucy This article is a list of the counts of Roucy. In medieval France, Roucy was a county held by a succession of noble families. By the Late Middle Ages, it was one of seven titles that was made a peer within the provincial peerage of the greater Co ...

References

Sources

* * * * * 1180 births 1239 deaths 13th-century French people House of Dammartin Counts of Ponthieu Jure uxoris officeholders {{Noble-stub