Coat of arms of Desse

The blazon

az. a chev. betw. three owls or, on a canton gu. three lions, passant, guardant, in pale of the second. — Crest, on a chapeau gu. turned up, erm. an owl Avith wings, expanded, or, over the crest this motto — Vigilo. [Granted to Sir Robert Desse.']

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.