Note 355 — Chapter XVIII · Guernsey Songs and Ballads.
Reading edition
The Guernsey people have a way of making plurals of many words ending in “et” or “ert” or “el,” by substituting “iaux,” as:—Pipets = Pipiaux, Robert (a very common surname) Robiaux, Coquerel = Coqueriaux, bouvet, bouviaux, touffet, touffiaux.