On his gravestone were carved the words "Life, you are fine. Death, you
stink".
He has one daughter, Manuela Villa and one son, Claudio, from his long relationship with Noemi Garafolo in the 60's. Grandfather of Jacopo (Manuela's son).
Claudio and his second wife Patrizia had an age difference of 31 years;
she was just 18 when they married. They had two daughters: Andrea Celeste (b.1980) and Aurora (b.1981).