Complex sentence: After the death of Napoleon in May 1821, Lowe returned to England and apart from the thanks of George IV, at a levee, he received little reward from the British Government whose orders he had obeyed to the letter.
Split into simpler sentences: After the death of Napoleon in May 1821, Lowe returned to England. Apart from the thanks of George IV, at a levee, he received little reward from the British Government whose orders he had obeyed to the letter.