Luitgarde of Vermandois
Luitgarde of Vermandois was a noblewoman from the Herbertian dynasty who lived in West Francia. She was a countess consort of Rouen and Normandy by her first marriage, and a countess consort of Blois and Chartres by her second. She was a daughter of Herbert II of Vermandois, and Adele, daughter of Robert I of France. She first married William I of Normandy before 940. As a widow, following his death in 942, she married Theobald I of Blois in 943 or 944.
She had at least three children from her second marriage:
- Hugh, Archbishop of Bourges
- Odo, count of Blois
- Emma, married William IV of Aquitaine