Complex sentence: In recent years the office of Keeper has been held jointly with that of Treasurer to the Queen, who is responsible for the use of the Civil List, money paid from public funds to meet official expenditure relating to the Queen's duties as Head of State.
Split into simpler sentences: In recent years the office of Keeper has been held jointly with that of Treasurer to the Queen, who is responsible for the use of the Civil List. The Civil List is money paid from public funds to meet official expenditure relating to the Queen's duties as Head of State.