Arms of Percy, Dukes of Northumberland: Quarterly: 1st and 4th grandquarters: 1st and 4th counterquartered: 1st and 4th, Or a Lion rampant Azure (Brabant and Lovaine, Percy modern); 2nd and 3rd, Gules three Lucies hauriant Argent (Lucy); 2nd and 3rd, Azure five Fusils conjoined in fess Or (Percy ancient); 2nd and 3rd grandquarters: quarterly: 1st and 4th, Or three Bars wavy Gules (Drummond); 2nd and 3rd, Or a Lion's Head erased within a Double Tressure flory counterflory Gules (Drummond, coat of augmentation).