Premise: Jana Brejchová (born 20 January 1940) is a Czech film actress. She has appeared in more than 70 films since 1953. She was married to director Miloš Forman and later actor Vlastimil Brodský. Her younger sister, Hana is also an actress who appeared in Miloš Forman films: "Loves of a Blonde" and "Amadeus".
Hypothesis: Hana is two years younger than Jana Brejchová.