Minamoto no Chikako
She was the mother of Prince Morinaga.
Sidney Rankin Drew
Sidney Rankin Drew (September 19, 1891 – May 19, 1918) was an American actor and film director.
He was the son of Sidney Drew and Gladys Rankin and first cousin of the actors John Barrymore, Lionel Barrymore and Ethel Barrymore.
He appeared in 36 films between 1913 and 1917 and directed 14 films between 1915 and 1917.
After a successful career with Vitaphone, Drew moved to Metro Pictures in 1916, becoming the fifth of the Barrymore
/Drew to work at the studio.
His first, and last, film at Metro was "The Belle of the Season", which was shot in 1916, but released posthumously in 1918.
He was killed in action when his plane was shot down over France during World War I.
He was originally buried in France but reinterred to Mount Vernon Cemetery in Philadelphia, Pennsylvania.
He has a monument in Central Park.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Kekuʻiapoiwa II
Kekuʻiapoiwa II was a Hawaiian chiefess and the mother of the king Kamehameha I.
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.
Peter Levin
Peter Levin is an American director of film, television and theatre.
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.
The Suspect (1975 film)
The Suspect is a 1975 Italian thriller- drama film directed by Francesco Maselli.
The Suspect (1916 film)
The Suspect is a 1916 lost silent film directed by S. Rankin Drew, starring Anita Stewart and produced by the Vitagraph Studios.
It was Frank Morgan’s film debut.
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 The Suspect (1916 Film)?
Answer: Gladys Rankin