 Ambassador to the United Kingdom and France.Her paternal grandparents were Eugénie Adèle (née Halphen) Ladenburg (who was from a respected Parisian family related to the Paris Rothschilds) and Emil Ladenburg, a prominent banker who was born in Mannheim, Grand Duchy of Baden.Davie was a long-time political activist She once angered pilot Amelia Earhart by injecting political commentary into a speech introduction.