Complex sentence: The defeat of the French fleet at the Battle of the Nile brought her husband back into public attention, but he had by now met Emma, Lady Hamilton, the wife of the British ambassador to Naples, Sir William Hamilton.
Split into simpler sentences: The defeat of the French fleet at the Battle of the Nile brought her husband back into public attention. However, he had by now met Emma, Lady Hamilton, the wife of the British ambassador to Naples, Sir William Hamilton.