Final answer:
The Marquis de Lafayette used his own money to support the patriots fight the British.
Step-by-step explanation:
The French aristocrat who used his own money to support the patriots in their fight against the British was the Marquis de Lafayette. Lafayette was a key figure in the American Revolution and played a significant role in securing French support for the American cause. He used his personal wealth and influence to fund the American troops, supply military equipment, and even served as a general in the Continental Army.
Learn more about Marquis de Lafayette and his support for the American Patriots