Complex sentence: The Lord Drinian is a fictional character in C. S. Lewis's The Chronicles of Narnia and is the Captain of the Dawn Treader, and a good friend of Prince Rillian & his father King Caspian X (Tenth of that name).
Split into simpler sentences: The Lord Drinian is a fictional character in C. S. Lewis's "The Chronicles of Narnia". He is the Captain of the Dawn Treader and a good friend of Prince Rilian & his father King Caspian X (Tenth of that name).