Angst (2003 film)
Angst  is a 2003 German drama film directed by Oskar Roehler, starring André Hennicke, Marie Bäumer and Vadim Glowna.
It follows a stage director who goes through a personal crisis.
Peter Levin
Peter Levin is an American director of film, television and theatre.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Oskar Roehler
Oskar Roehler (born 21 January 1959) is a German film director, screenwriter and journalist.
He was born in Starnberg as the son of writer Gisela Elsner and the writer Klaus Roehler.
Since the mid-1980s he has been working as a screenwriter, for, among others, Niklaus Schilling, Christoph Schlingensief and Mark Schlichter.
Since the early 1990s he has also been working as a film director.
For his film No Place to Go he won the Deutscher Filmpreis.
His 2010 film  was nominated for the Golden Bear at the 60th Berlin International Film Festival.
Fatima bint Mubarak Al Ketbi
Fatima bint Mubarak Al Ketbi is the third wife of Sheikh Zayed bin Sultan Al Nahyan, the founder and inaugural president of United Arab Emirates, and late emir( ruler) of Abu Dhabi.
She is referred to as the mother of sheikhs and as the Mother of the UAE.
Trinidad Tecson
Trinidad Perez Tecson (November 18, 1848 – January 28, 1928), known as the "Mother of Biak-na-Bato" and "Mother of Mercy", fought to gain Philippines independence.
She was given the title "Mother of Biak-na-Bato" by Gen. Emilio Aguinaldo.
She was also cited as the "Mother of the Philippine National Red Cross" for her service to her fellow Katipuneros.
Minamoto no Chikako
She was the mother of Prince Morinaga.
Kekuʻiapoiwa II
Kekuʻiapoiwa II was a Hawaiian chiefess and the mother of the king Kamehameha I.
Gerald Kargl
Gerald Kargl( born 1953, Villach) is an Austrian film director most famous for directing the 1983 film" Angst".
Susan B. Nelson
Susan B. Nelson( April 13, 1927 – May 4, 2003) was an American environmental activist who is best known as the mother of the Santa Monica Mountains National Recreation Area.

Question: Who is the mother of the director of film Angst (2003 Film)?