Complex sentence: The son of Richard Duke Coleridge, the 4th Baron Coleridge, Coleridge was educated at Eton College in Berkshire, England, and at the Royal Military Academy Sandhurst in Berkshire.
Split into simpler sentences: The son of Richard Duke Coleridge, the 4th Baron Coleridge, Coleridge was educated at Eton College in Berkshire, England. He was educated at the Royal Military Academy Sandhurst in Berkshire.