gules. Crest: out of a coronet gules, a swan's head and neck proper, beaked
gules, between two wings also proper. Mantling: the dexter side, sable; the
sinister side, gules; both lined ermine. Black and gules, it may be noted,
were the livery colours of Buckingham, an earldom which had devolved upon
the Earls of Stafford.