A descendant of Conrad Hinrich Donner of Donners Park, Altona, Martha's father had been Superintendant of the American Sugar Refining Company and manager of the Sugar Trust in New York.
A descendant of Conrad Hinrich Donner of Donners Park had been Superintendant of the American Sugar Refining Company in New York. A descendant of Conrad Hinrich Donner of Donners Park had been manager of the Sugar Trust in New York. Altona was Donners Park. Altona was Martha's father.