The son of actors Franco Nero and Vanessa Redgrave, his maternal half-sisters are Actress Joely Richardson and Natasha Richardson (1963–2009). He is a nephew of the late actors Corin (1939–2010) and Lynn Redgrave (1943–2010), and cousin to the Actress Jemma Redgrave. Carlo Nero directed his mother and his half-sister Joely in the 2004 film The Fever.
