Marella Agnelli was born on May 4, 1927 in Florence, Tuscany, Italy. She was married to Giovanni Agnelli. She died on February 23, 2019 in Turin, Italy.
Her father was Filippo Caracciolo, 8th Prince di Castagneto, 3rd Duke di Melito, and hereditary Patrician of Naples. Her mother was American whiskey heiress Margaret Clarke.