Animals commonly to found in the European countryside are frequently found in coats of arms, so we should be surprised to find the Ferret so represented. A Complete Guide to Heraldry, A.C. Fox-Davies, Bonanza (re-print of 1909 Edition), New York, 1978, P191 The exact intention of the use of this particular creature has now been lost, but may have been related to the name of the original family.