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.
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.
Aag (1948 film)
Aag  is a 1948 Bollywood film which is produced, directed by and stars Raj Kapoor.
The film marked the debut of him as producer and director and was the first film produced by his R.K. banner.
Nargis, Premnath, Nigar Sultana and Kamini Kaushal also starred in supporting roles.
Raj Kapoor's youngest brother Shashi Kapoor appeared as a child artist in this film playing the younger version of his character (Kewal).
This was the first film in which Raj Kapoor and Nargis appeared together.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Raj Kapoor
Raj Kapoor (14 December 1924 – 2 June 1988) was an Indian film actor, producer and director of Indian cinema.
Born at Kapoor Haveli in Peshawar to actor Prithviraj Kapoor
he was a member of the Kapoor family which has produced several Bollywood superstars.
Kapoor is regarded as one of the greatest and most influential actors and filmmakers in the history of Hindi cinema.
He received multiple accolades, including 3 National Film Awards and 11 Filmfare Awards in India.
The Filmfare Lifetime Achievement Award is named after Raj Kapoor.
He was a two-time nominee for the Palme d'Or grand prize at the Cannes Film Festival for his films
"Awaara" (1951) and "Boot Polish" (1954).
His performance in "Awaara" was ranked as one of the top ten greatest performances of all time by "Time" magazine.
His films attracted worldwide audiences, particularly in Asia and Europe.
He was called "the Clark Gable of the Indian film industry".
The Government of India honoured him with the Padma Bhushan in 1971 for his contributions to the arts.
India's highest award in cinema, the Dadasaheb Phalke Award, was bestowed on him in 1987 by the Government of India.
Lars Eliasson
He is the father of the later Member of Parliament Anna Eliasson.
Yasuichi Oshima
He is the father of manga artist Towa Oshima.
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.
Obata Toramori
He was the father of Obata Masamori.

Question: Who is the father of the director of film Aag (1948 Film)?
Answer: Prithviraj Kapoor