Jeanne de Pierrepont, Lady of Blazon

Jeanne de Pierrepont, lady of Blazon and Chemillé, was a daughter of Count John V of Roucy, who was killed at Crécy in 1346, and Marguerite de Beaumez. On 26 January 1341 she married in Paris Charles I de Montmorency, a royal councillor who became Marshal of France in 1343 and fought at Crécy.

Their children were Jean, who died young in 1352, and three daughters, Marguerite, Jeanne and Marie. She died on 10 January 1361.