Premise: Franco Zeffirelli, KBE Grande Ufficiale OMRI (] ; born 12 February 1923) is an Italian director and producer of operas, films and television. He is also a former senator (1994–2001) for the Italian centre-right "Forza Italia" party. Recently, Italian researchers have found that he is one of the few distant relatives of Leonardo da Vinci.
Hypothesis: Leonardo Da Vinci is one of Franco Zeffirelli's ancestor