1840
Research in Progress
Pierron, French, active, 1840
Jean Charles Delafosse (French, 1734–1789), 1770
Jean Charles Delafosse (French, 1734–1789), 1760
French Auguste Péquégnot, 1840
Pierron, French, active, 1860
Jean Charles Delafosse (French, 1734–1789), 1860