Complex sentence: After learning from George Washington's head that one of his own ancestors, David Farnsworth, was one of American history's most nefarious traitors during the American Revolutionary War, Professor Farnsworth becomes determined to salvage his family's reputation.
Split into simpler sentences: After learning from George Washington's head that one of his own ancestors David Farnsworth was one of American history's most nefarious traitors during the American Revolutionary War. After hearing this, Professor Farnsworth becomes determined to salvage his family's reputation.