Blanche of Ponthieu

Blanche of Ponthieu (1322–1387) was the elder daughter of John II, Count of Aumale, and Catherine of Artois. When her father died in January 1340 without sons, she inherited Aumale as suo jure countess.

She married John V, Count of Harcourt, a leading Norman baron, and bore him seven children, including John VI, who later held both Harcourt and Aumale. She died in 1387.