Coat of arms of Markham

The blazon

az. on a chief or, a demi lion, rampant, gu. within a bordure ar. — Crest, a lion, sejant, winged or, circled round the head ar. supporting a harp (or lyre) of the first.

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.