Coat of arms of Tison

The blazon

vert, three lions, rampant, ar. crowned, collared, and chained or. — Crest, a sinister arm, in mail, or, the hand ppr. defended by an antique shield of the first, lined vert, with straps gu. [Granted 2Aih February, 1708.]

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.