Complex sentence: The first European to visit the island was in 1819 by Captain William Edward Parry and was named after the artist William Beechey (1753--1839) by his son Frederick William Beechey (1796--1856) who was then serving as Parry's lieutenant.
Split into simpler sentences: The first European visit the island was in 1819 by Captain William Edward Parry. The island was named after the artist William Beechey (1753--1839) by his son Frederick William Beechey (1796--1856) who was then serving as Parry's lieutenant.