Coat of arms of Beresford

The blazon

ar. three fleurs-de-lis, betw. eight cross crosslets, fitchee, sa. — Crest, a dragon s head, erased, az. pierced through the neck with a broken spear or, and holding a piece of the same in his mouth, headed ar.

A blazon is the description of a coat of arms in the technical language of heraldry. The drawing comes from that text, and from nothing else.