The Handels of Breslau had for several generations been coppersmiths.
"Handel"
Edward J. Dent
The bakers fell under the control of the wholesale grain dealers; the weavers became pieceworkers for rich cloth merchants; the blade-makers and shearers were employed by cutlers; coppersmiths were controlled by girdlers; fullers were controlled by entrepreneurial dyers; and the painters, joiners, and lorimers were controlled by the saddlers.
"Our Legal Heritage, 4th Ed."
S. A. Reilly
His division was according to their trades, and consisted of the musicians, the goldsmiths, the builders, the dyers, the shoemakers, the carriers, the coppersmiths, and the potters.
"Plutarch's Lives, Volume I (of 4)"
Plutarch