John Julius Norwich [SEP] mother
- "Darling Monster: The Letters of Lady Diana Cooper to Her Son John Julius Norwich" (editor), Chatto & Windus, 2013,
- "Cities That Shaped the Ancient World" (editor), Thames and Hudson Ltd, 2014,
- "Sicily: An Island at the Crossroads of History", Random House, 2015,
- "Four Princes: Henry VIII, Francis I, Charles V, Suleiman the Magnificent and the Obsessions that Forged Modern Europe", John Murray, 2016
born in London, England. Her mother was Italian-American ballerina Enrica Soma, and her biological father was The 2nd Viscount Norwich (better known as John Julius Norwich), the historian.
When Huston was four, her mother died in a car accident and she subsequently moved to Ireland where she was brought up by film director John Huston (1906–87), her mother's estranged husband (Soma was his fourth wife). Allegra Huston's half-siblings include actress and director Anjelica Huston, writer Tony Huston,