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In page Joan de Munchensi:

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When her husband died unexpectedly in 1296, after being wounded in France, she was a co-executor of his will and was involved in the design and erection of his tomb in Westminster Abbey. In her widowhood, living mostly in her favourite home of Goodrich, she played an even more active part in management of her estates, using a corps of trusted lawyers and officials.[1] Though she never visited Ireland, she was alert to protect her rights there and did not hesitate to appeal to King Edward personally in 1304 when a court judgement went against her.[citation needed]