Maria Bertha Douglas-Hamilton (1853-1925) (1853–1925) Parents Frances Ann Graves Douglas Douglas-Hamilton Children Bertha Florence Dawson Helen Frances Dawson Erskine William Douglas Hamilton Dawson Siblings Patrick Douglas-Hamilton Robert Frederick Douglas-Hamilton William Douglas Douglas-Hamilton Archibald Douglas-Hamilton Alexander Hamilton Douglas-Hamilton Augustus Adolphus Douglas-Hamilton Douglas Charles Douglas-Hamilton Idonia Charlotte Douglas-Hamilton Partners George Thomas McNair Dawson