Complex sentence: He was the son of Sir Beaumont Hotham (died 1771), a lineal descendant of Sir John Hotham, and was educated at Westminster School and at the Royal Naval Academy, Portsmouth.
Split into simpler sentences: He was the son of Sir Beaumont Hotham (died 1771), a lineal descendant of Sir John Hotham. Hotham was educated at Westminster School and at the Royal Naval Academy, Portsmouth.