Mary Plunkett (died 1921) (1850–1921) Parents Edward Plunkett, 16th Baron of Dunsany Anne Constance Dutton Children Henry Chambré Ponsonby Alice Isabel Ponsonby Thomas Brabazon Ponsonby Dorothy Ponsonby Siblings John Plunkett, 17th Baron of Dunsany Constance Lavinia Harriet Plunkett Edward Reginald Plunkett Horace Plunkett Julia Elizabeth Plunkett Randall Edward Sherborne Plunkett Partners Chambré Brabazon Ponsonby