in particular, the death by drowning of her infant son Thomas Mauny. In her last years, she is shown as being gravely concerned for the future of England, due to the misrule of her cousin King Richard II. Notes External links Calendar of Inquisition Post Mortem References Calendar Inquisitions Miscellaneous, vol. 3, 1937 Calendar of Entries in the Papal Registers: Letters, 4 (1902) Segrave, Charles, The Segrave Family: 1066 to 1935 1320s births 1399 deaths Year of birth uncertain 14th-century English women 14th-century English people Duchesses of Norfolk 0 2nd Countess of Norfolk Earls Marshal Norfolk Norfolk House of Plantagenet Life peeresses created by Richard II 14th-century women rulers Wives of knights