Willem Jacobsz Delff (c.1580 – 1638)
• Was a Dutch Golden Age engraver and painter.
• Delff was born c. October 1580 in Delft.
• He learned painting from his father, Jacob Willemsz. Delff the Elder, who painted a family portrait with his sons and wife Maria Joachimsdr Nagel.
• Jacob's sons were all artists in their own right; Cornelis became a still life painter, while Rochus became a portrait painter like his father.
• His son Jacob Willemsz Delff the Younger became a painter.
• He died on 14 April 1638 in Delft.