Coat of arms of Corker

The blazon

az. on a pile erm. betw. two estoiles or, a lion, rampant, of the field. — Crest, a demi lion, rampant, erm. holding an estoile or. [ Granted in Ireland, Aug. th, 1666.]

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.