Margaret de Clare, Baroness Badlesmere Anglo-Irish countess (1287–1333) Parents Juliana FitzGerald, Lady of Thomond Thomas de Clare, Lord of Thomond Children Elizabeth de Badlesmere, Countess of Northampton Maud de Badlesmere, Countess of Oxford Margery of Badlesmere Margaret de Badlesmere Giles de Badlesmere, 2nd Baron Badlesmere Siblings Gilbert de Clare, Lord of Thomond Richard de Clare, Steward of Forest of Essex Maud de Clare Partners Bartholomew de Badlesmere, 1st Baron Badlesmere Gilbert de Umfreville