Mary Waldegrave, Countess Waldegrave

Born as Mary Dorothea Palmer, she was the daughter of Roundell Palmer (later Earl of Selborne) and his wife, Laura, a daughter of the 8th Earl Waldegrave. She was known to family and friends as "May".

On 5 August 1874, she married her first cousin, William Waldegrave, 9th Earl Waldegrave. Lord and Lady Waldegrave had three children:

• Lady Mary Wilfreda (1875–1947)
• Lady Laura Margaret (1880–1959)
• William Edward Seymour, later 10th Earl Waldegrave (1882–1933)

In 1918, Mary Waldegrave, Countess Waldegrave, was appointed a DBE for her work as Deputy President of the Somerset branch of the British Red Cross Society during World War I.