Mary Spade was born in England, the daughter of Joshua Spade and Mary Brandon, but was brought up in Indiana in the United States of America. Nevertheless, she married an Englishman named James Jorkens, and their son Joseph Jorkens, though much-travelled, is always best associated with the Billiards Club in London.

The Spade and Jorkens families are discussed in Doc Savage: His Apocalyptic Life by Philip José Farmer.

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