List of Famous people with last name Ponthieu

Joan of Dammartin 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 Eleanor of Castile, was her successor in Ponthieu. Ferdinand II, Count of Aumale, her son and co-ruler in Aumale, predeceased her, thus she was succeeded by her grandson John I, Count of Aumale.

Blanche of Ponthieu, was suo jure Countess of Aumale, and by marriage, Countess of Harcourt.

William III of Ponthieu also called William Talvas. He was seigneur de Montgomery in Normandy and Count of Ponthieu.

Marie of Ponthieu was suo jure Countess of Ponthieu and Countess of Montreuil, ruling from 1221 to 1250.

Simon of Dammartin was a son of Alberic III of Dammartin and his wife Mathildis of Clermont, heiress to the county of Clermont and daughter of Renaud II, Count of Clermont.

Guy I of Ponthieu was born sometime in the mid-to late 1020s and died 13 October 1100. He succeeded his brother Enguerrand as Count of Ponthieu.

Enguerrand I was the son of Hugh I of Ponthieu and Gisela, daughter of Hugh Capet.

Hugh II of Ponthieu was count of Ponthieu and lord of Abbeville, the son of Enguerrand I of Ponthieu. Evidently Hugh II was the half brother of Guy, who became the bishop of Amiens; Fulk, who became the abbot of Forest l'Abbaye; and Robert. However, it is possible that both Robert and Hugh II were the sons of Enguerrand's first wife, and Guy and Fulk the sons of a later wife that Enguerrand I married when he was in his forties.

Guy II of Ponthieu was the son of William III of Ponthieu and Helie of Burgundy.

Hugh I of Ponthieu, died circa 1000. He was also known as Hugo Miles.