Tancred Ibsen
Tancred Ibsen (11 July 1893 – 4 December 1978) was a Norwegian officer, pilot, film director, and screenwriter.
He was the son of Sigurd Ibsen, and the grandson of Henrik Ibsen and Bjørnstjerne Bjørnson.
He was married to dancer and actress Lillebil Ibsen.
His son Tancred Ibsen, Jr. (1921–2015) was a Norwegian diplomat.
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.
Obata Toramori
He was the father of Obata Masamori.
Lars Eliasson
He is the father of the later Member of Parliament Anna Eliasson.
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.
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".
Den hemmelighetsfulle leiligheten
Den hemmelighetsfulle leiligheten  is a 1948 Norwegian drama film directed by Tancred Ibsen, starring Ola Isene and Sonja Wigert.
The film is based on a short story by Kristian Elster d.y..
A bachelor in his forties buys an apartment owned by an artist who died a sudden death.
The peculiar atmosphere of the place, and the sudden appearance of the artist's girlfriend, shakes the conservative man out of his habits.
Yasuichi Oshima
He is the father of manga artist Towa Oshima.

Question: Who is the father of the director of film Den Hemmelighetsfulle Leiligheten?
Answer: Sigurd Ibsen