Background
Jennis was born to Lucas Jennis the Elder in Frankfurt. His father was a wealthy goldsmith, jeweller, and engraver who had fled persecution in Brussels.
Jennis was born to Lucas Jennis the Elder in Frankfurt. His father was a wealthy goldsmith, jeweller, and engraver who had fled persecution in Brussels.
He was the leading publisher of alchemical works of his time. Jennis’ father died in 1606. A year later, Johann Israel de Bry (1565–1609) married Jennis’ widowed mother.
Jennis was now a member of the de Bry family, who were famous for their engraving work.