Members of the Agnelli family of Italy, including:
Giovanni Agnelli (1866–1945), Italian manufacturer and founder of Fiat
Edoardo Agnelli (1892–1935) (1866–1945), Italian industrialist, son of Giovanni
Gianni Agnelli (1921–2003), an influential Italian industrialist, eldest son of Edoardo

Donna Marella Caracciolo di Castagneto was born in Florence to an old noble Neapolitan family. Her father was Filippo Caracciolo, 8th Principe di Castagneto, 3rd duca di Melito, and a hereditary Patrician of Naples (1903-1965). Her mother was the former Margaret Clarke (1898-1955) of Peoria, Illinois. She had two brothers, Carlo Caracciolo (1925-2008), who inherited their father's titles in 1965 and founded the newspaper La Repubblica and Nicola Caracciolo born 1931, 10th Principe di Castagneto, 5rd duca di Melito.
She was married in the Church of Osthoffen to FIAT magnate Gianni Agnelli on 19 November 1953 until his death.
He died in 2000.
They had two children:
Edoardo Agnelli (9 July 1954 - 15 November 2000)
Countess Margherita Agnelli de Pahlen (born 26 October 1955), married the Russian noble Count Sergei de Pahlen