Various, Notes and Queries, Number 48, September 28…
“ The French king lying in his camp, sent secretly into England a privy person, a very witty man, to entreat of a peace between him and the king our sovereign lord, whose name was John Joachin; he was kept as secret as might be, that no man had intelligence of his repair; for he was no Frenchman, but an Italian born, a man before of no estimation in France, or known to be in favour with his master, but to be a merchant ”
