Arms
Argent on a Bend Sable three Roaches Argent the Tails Or
Crest
Upon a Wreath of the Colours an Elephant's Head couped Argent ducally crowned Or
Motto
Fide et Taciturnitate (Faithful and Silent)
Authority
In use from late 14thC; confirmatory grants from College of Arms 1598 and 1978.