County of Vexin

State · 990–1084 CE · at its largest around 990 CE

Small county in northern France on the border between Normandy and the French royal domain; the French Vexin was absorbed into the royal domain in the late eleventh century.

On its lands while it lasted

• Peter Abelard (1079 CE – 1142 CE): French philosopher and theologian who taught in Paris, a pioneer of scholastic method, remembered also for his love affair with Héloïse.

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