Coat of arms of Simeon

The blazon

per fesse, sa. and or, a pale, counterchanged, and three trefoils, slipped, of the second.— Crest, the stump of a tree, eradicated, ppr. two laurel-branches, crossing it, in saltier, of the last. [Borne by the Rev. Dr. Simeon, of Cambridge, 1827.]

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.