Coat of arms of Simonds

The blazon

per fesse, sa. and ar. a pale counterchanged, three trefoils, slipped, of the second. — Crest, on a mount vert, an ermine pass. ppr. in the mouth a trefoil, slipped, or.

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.