- Born in 1718 in Saint-Omer
- Deceased in 1742 in this municipality, at the approximate age of 23 years
Parents
- Philippe François d'Herbais (c. 1682 - 1757), chevalier, seigneur d'Izel, bourgeois de Douai
- Marie Antoinette Françoise Taffin (1691 - 1760)
Family
- Married on August 26, 1739 in Saint-Omer, with Marie de Martiny de Saint-Martin (1698 - 1780), dame de Mouchel, issuing
Marie-Louise (1740 - 1815)