Ginevra King Pirie (1898 – 1980) was an American socialite and heiress. King and Fitzgerald shared a youthful romance from 1915 to 1917. Fitzgerald was 19 and enrolled at Princeton University when he met Ginevra. Afterward, Fitzgerald and King wrote each other compulsively. For Fitzgerald she was an archetype" of "the American dream". She came to embody "not only his condemnation of the rich but his ambivalence, his fascination with wealth and his sense of inferiority around it.".

In August 1916, Fitzgerald visited Ginevra at her family's Lake Forest villa but was told by her father, Charles G. King, that "poor boys shouldn't think of marrying rich girls." (This line was later used in both the 1974 and 2013 film productions of "The Great Gatsby".)

According to Fitzgerald biographer Arthur Mizener, she became his inspiration for the character of Isabelle Borgé, Amory Blaine's first love in "This Side of Paradise", for Daisy in "The Great Gatsby", and several other characters in his novels and short stories. Purportedly, "Fitzgerald was so smitten by King that for years he could not think of her without tears coming to his eyes." After Fitzgerald's death in 1940, his daughter Scottie sent Ginevra a copy of her letters which Fitzgerald had kept with him until his death.

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