Complex sentence: Joseph Collyer (14 September 1748--24 December 1827), also called Joseph Collyer the Younger, was an English engraver; associate of the Royal Academy and portrait engraver to the British Queen Consort, Queen Charlotte.
Split into simpler sentences: Joseph Collyer (14 September 1748--24 December 1827), also called Joseph Collyer the Younger, was an English engraver. He was an associate of the Royal Academy and portrait engraver to the British Queen Consort, Queen Charlotte.