Coat of arms of Hoar

The blazon

quarterly, sa. and gu. over all an eagle, displayed, with two heads ar. within a bordure, invecked, counterchanged. — Crest, an eagle s head, erased, ar. charged with three ermine spots, pendent from the beak an annulet [Borne by George Hoare, Esq. of Twyford, Hunts, 1823.]

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.