Elizabeth de Badlesmere, Countess of Northampton English noble (1313–1356) Parents Margaret de Clare, Baroness Badlesmere Bartholomew de Badlesmere, 1st Baron Badlesmere Children Roger Mortimer, 2nd Earl of March Elizabeth de Bohun, Countess of Arundel Humphrey de Bohun, 7th Earl of Hereford Siblings Giles de Badlesmere, 2nd Baron Badlesmere Maud de Badlesmere, Countess of Oxford Margaret de Badlesmere Margery of Badlesmere Partners William de Bohun, 1st Earl of Northampton Edmund Mortimer