Sam Spade is a private eye, who resembles a 'blond Satan', and operates in San Francisco, according to a novel The Maltese Falcon and a handful of short stories, all written by Dashiell Hammett.

He was famously played by Humphrey Bogart in a movie of the novel, which was then spoofed in a semi-sequel several decades later, The Black Bird, that introduced Sam's son, Sam Spade, Jr.

In Doc Savage: His Apocalyptic Life, Philip José Farmer identifies Sam's parents as John Spade and Edwina Land, and traces the Spade family's history in law enforcement.

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