House of Ponthieu

House of Ponthieu
Maison de Ponthieu
Noble house
Attributed arms of the Counts of Ponthieu: Or, three bends azure, bordure gules
CountryFrance
Founded10th century
FounderHugh I, Count of Ponthieu
Final rulerEleanor of Castile
TitlesCount of Ponthieu
Cadet branchesHouse of Aumale

The House of Ponthieu was a Frankish noble dynasty that ruled the County of Ponthieu, a strategically important coastal territory in what is now the Somme, Hauts-de-France, from the late 10th century until its integration into the Crown of Castile–León in 1279 through dynastic marriage.