 His father was attainted for treason in 1452 for supporting Richard, Duke of York, on his march to London and subsequent confrontation with the king at Dartford Heath.On 6 March 1453 he attended Parliament as Lord Ferrers, and represented Herefordshire in place of his father.On 17 March 1453 Walter and Anne Devereux were granted livery of her father's lands as she was 14 years of age or older, deemed the age of majority for females.