William de Ros, 6th Baron de Ros English nobleman (c. 1370 – 1414) (1350–1414) Parents Beatrice de Stafford Thomas de Ros, 4th Baron de Ros Children William de Ros Elizabeth de Ros Thomas de Ros, 8th Baron de Ros Sir Richard de Ros John de Ros, 7th Baron de Ros Margaret de Ros Sir Robert de Ros Alice de Ros Beatrice de Ros Siblings Thomas de Ros Margaret de Ros Robert de Ros John de Ros, 5th Baron de Ros Elizabeth de Ros Partners Margaret FitzAlan
