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.
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.
Minamoto no Chikako
She was the mother of Prince Morinaga.
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.
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.
Sources of Life
Sources of Life  is a 2013 German film directed by Oskar Roehler.
Dana Blankstein
Dana Blankstein- Cohen( born March 3, 1981) is the director of the Israeli Academy of Film and Television.
She is a film director, and an Israeli culture entrepreneur.
Kekuʻiapoiwa II
Kekuʻiapoiwa II was a Hawaiian chiefess and the mother of the king Kamehameha I.

Question: Who is the mother of the director of film Sources Of Life?
Answer: Gisela Elsner