Yasuichi Oshima
He is the father of manga artist Towa Oshima.
Obata Toramori
He was the father of Obata Masamori.
Paul Brooke
Paul Brooke( born 22 November 1944) is a retired English actor of film, television and radio.
He is the father of actor Tom Brooke.
Inoue Masaru (bureaucrat)
Viscount was the first Director of Railways in Japan and is known as the" father of the Japanese railways".
Cleomenes II
Cleomenes II( died 309 BC) was Agiad King of Sparta from 369 to 309 BC.
The son of Cleombrotus I, he succeeded his brother Agesipolis II.
He was the father of Acrotatus I, the father of Areus I, and of Cleonymus, the father of Leonidas II.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Peter Hamel
Peter Hamel( 1911–1979) was a German screenwriter and a director of film and television.
He appeared as himself in the 1948 comedy" Film Without a Title".
He is the father of the composer Peter Michael Hamel.
Biwi-O-Biwi
Biwi-O-Biwi (Hindi: बीवी-ओ-बीवी) is a 1981 Hindi movie.
Produced by Raj Kapoor and directed by Rahul Rawail.
The film stars Sanjeev Kumar, Randhir Kapoor, Poonam Dhillon and Simi Garewal.
The films music is by R. D. Burman.
The movie was commercially successful.
Lars Eliasson
He is the father of the later Member of Parliament Anna Eliasson.
Rahul Rawail
Rahul Rawail is an Indian film director in Bollywood known for his films like "Love Story" (1981), "Betaab" (1983), "Arjun" (1985), "Dacait" (1987), "Anjaam" (1994), "Arjun Pandit (1999)" and the recent one "Jo Bole
So Nihaal" (2005).
He was nominated for Filmfare Award for Best Director twice.
He is son of film director H. S. Rawail and his son Bharat is an upcoming director.
Rawail has launched a few of the Bollywood actors through his films like Kumar Gaurav and Vijeta Pandit in "Love Story", Sunny Deol and Amrita Singh in "Betaab", Kajol in "Bekhudi" (1992), and Aishwarya Rai in "Aur Pyaar Ho Gaya" (1997).

Question: Who is the father of the director of film Biwi-O-Biwi?
Answer: H. S. Rawail