Complex sentence: Thomas Cockson, or "Coxon" (bap.1569--fl.1609-30 or 1636--d.1641), was one of the earliest English engravers who left a large number of portraits engraved entirely with the graver in a neatly and finished manner.
Split into simpler sentences: Thomas Cockson, or "Coxon" (bap.1569--fl.1609-30 or 1636--d.1641), was one of the earliest English engravers. He left a large number of portraits engraved entirely with the graver in a neatly and finished manner.