Gaia Cecilia Metella Servadio[1] (13 September 1938 – 20 August 2021) was an Italian writer.

[5] She received a bachelor's degree from London's Camberwell School of Art.

[4] Servadio was married to the British art historian William Mostyn-Owen c. 1961–1989, and they had three children, Owen (b.

[7] Their daughter Allegra, an art teacher, was the first wife of the politician Boris Johnson.

[10] Following her divorce from Mostyn-Owen, in 1995 Servadio married Hugh Robert Myddelton, of Chirk Castle in Wales, another former Etonian.