Joan de Mortimer was a notable figure in 14th-century England, born around 1286. He belonged to the influential Mortimer family, which played a significant role in the political landscape of the time. Joan was married to Roger Mortimer, a prominent nobleman who became a key player in the struggle against King Edward II. Joan de Mortimer's life was marked by the turbulent politics of the era, including conflicts between the monarchy and the nobility. She was involved in the power struggles that characterized the reign of Edward II, particularly during the Despenser War, which ultimately led to her family's rise and fall in English history.