Idonia Charlotte Douglas-Hamilton (1845-1910) (1845–1910) Parents Douglas Douglas-Hamilton Frances Ann Graves Children Ethel Jessie Douglas-Hamilton Percy Seymour Douglas-Hamilton Edith Lena Catherine Douglas-Hamilton Constance Idonia Violet Douglas-Hamilton Siblings Robert Frederick Douglas-Hamilton Patrick Douglas-Hamilton Archibald Douglas-Hamilton William Douglas Douglas-Hamilton Alexander Hamilton Douglas-Hamilton Maria Bertha Douglas-Hamilton Douglas Charles Douglas-Hamilton Augustus Adolphus Douglas-Hamilton Partners Algernon Percy Douglas-Hamilton