They vacated the residence during Anne 's reign and it became the Treasury .
When Anne became queen after the death of William in 1702 , she gave the residence to her loyal friends John and Sarah , now Duke and Duchess of Marlborough .
friends vacated the residence during Anne 's reign and it became the Treasury .
When Anne became queen after the death of William in 1702 , she gave the residence to her loyal friends John and Sarah , now Duke and Duchess of Marlborough .