James Waldegrave
He died in April 1763 in London, England.

 Marie Walpole
Marie was born in 1736.  She died at the age of 71 in 1807.

 Anne Waldegrave
Anne was born in 1759.  She died at the age of 42 on June 12th, 1801.

 Charlotte Mary Waldegrave
Charlotte Mary was born on October 11th, 1761.  She died at the age of 46 on February 1st, 1808 in Westminster, London, England.