Margery of Badlesmere (1306-1363) (1306–1363) Parents Margaret de Clare, Baroness Badlesmere Bartholomew de Badlesmere, 1st Baron Badlesmere Children Alice de Ros Maud de Ros Elizabeth de Ros Thomas de Ros, 4th Baron de Ros William de Ros, 3rd Baron de Ros Siblings Giles de Badlesmere, 2nd Baron Badlesmere Margaret de Badlesmere Elizabeth de Badlesmere, Countess of Northampton Maud de Badlesmere, Countess of Oxford Partners William de Ros, 2nd Baron de Ros Sir John Avenel