Blanche of Ponthieu
Blanche of Ponthieu, was suo jure Countess of Aumale, and by marriage, Countess of Harcourt.
She was born in 1322 to John II, Count of Aumale and Catherine of Artois, daughter of Philip of Artois and Blanche of Brittany.
Blanche married John V, Count of Harcourt between 1330 and 1340 and had 7 children:
- John VI, Count of Harcourt, Count of Aumale and Harcourt
- Louis, Viscount of Châtellerault
- William, Lord of La Ferté-Imbault
- Philip, Baron of Bonnetable
- James, Lord of Montgommery
- Joan, married to Raoul de Coucy
- Alix, married to Aubert de Hangest