Complex sentence: John Kendal (sometimes "John Kendall") (c.1400-1485) was secretary to King Richard The Third of England, and killed in the Battle of Bosworth Field in 1485 whilst fighting in the King's army.
Split into simpler sentences: John Kendal (sometimes "John Kendall") (c.1400-1485) was secretary to Richard III of England. He was killed in the Battle of Bosworth Field in 1485 whilst fighting in the King's army.