Edmund Mortimer1391 - 1425 Born Sun, 6 November 1391 New Forest Died Tue, 18 January 1425 Trim Castle, Trim Buried Stoke-by-Clare Details Parents 5th Earl of March Edmund Mortimer Lived 33 years, 2 months, 12 days Died of plague father Roger Mortimer 1374 - 1398 mother Alianore Holland 1370 - 1405 Siblings Sister Anne de Mortimer 1388 - 1411 Brother Roger Mortimer 1393 - 1413 Sister Eleanor Mortimer 1395 - 1422