Question: Were Walerian Borowczyk and Seth Grahame-Smith of Japanese descent?

Context articles: Immoral Tales (film)
Walerian Borowczyk
Immoral Women
Dom (film)
La Bête (film)
Mr. and Mrs. Kabal's Theatre
Docteur Jekyll et les femmes
Seth Grahame-Smith
The Story of Sin
Lisbeth Hummel

Immoral Tales (French: "Contes immoraux" ) is a 1973 French anthology film directed by Walerian Borowczyk.
 The film was Borowczyk's most sexually explicit at the time.
 The film is split into four erotic-themed stories that involve the loss of virginity, masturbation, bloodlust, and incest.
Walerian Borowczyk (21 October 1923 – 3 February 2006) was an internationally known Polish film director described by film critics as a 'genius who also happened to be a pornographer'.
 He directed 40 films between 1946 and 1988.
 Borowczyk settled in Paris in 1959.
 His career as a film director was mainly in France.
Immoral Women (French: "Les héroïnes du mal" ) is a 1979 French erotic drama directed by Walerian Borowczyk, written by Borowczyk and André Pieyre de Mandiargues and starring Jean-Claude Dreyfus, Marina Pierro and Françoise Quéré.
Dom (Polish for House) is a 1958 Polish short film directed by Walerian Borowczyk and Jan Lenica.
 The short combines live action with various animation techniques, such as stop motion, cut-out animation and pixilation.
The Beast (French: "La Bête" ) is a 1975 X rated French erotic fantasy horror film written, edited, and directed by Walerian Borowczyk.
 Although sometimes compared with "Beauty and the Beast", there are no parallels in the plot except that it features the relationship between a beast (monster) and a woman.
 The film was noted for its explicit sexual content upon its initial release.
 It has become a cult film.
Mr. and Mrs. Kabal's Theatre ("Théâtre de Monsieur & Madame Kabal") is a 1967 French animated film directed by Walerian Borowczyk.
 It is Borowczyk's first feature-length film and his last animated film.
 It consists of a sequence of loosely connected scenes, much like a vaudeville program, in which Mr. and Mrs. Kabal perform absurd, surreal, and sometimes cruel acts.
 Borowczyk introduced the personnel in his short film "Le Concert de Monsieur et Madame Kabal" in 1962.
Docteur Jekyll et les femmes, also known as Blood of Dr. Jekyll, is a 1981 French–West German horror film directed by Walerian Borowczyk.
 The film is a variation on Robert Louis Stevenson's story "Strange Case of Dr Jekyll and Mr Hyde" and stars Udo Kier, Marina Pierro, Patrick Magee, Howard Vernon and Gérard Zalcberg.
Seth Grahame-Smith (born Seth Jared Greenberg; January 4, 1976) is an American novelist, film director, film producer, and screenwriter.
 He is best known as the author of "The New York Times" best-selling novels "Pride and Prejudice and Zombies" and "Abraham Lincoln, Vampire Hunter", both of which have been adapted as feature films.
 Grahame-Smith is also the co-creator, head writer and executive producer of "The Hard Times of RJ Berger", a scripted television comedy appearing on MTV.
 In collaboration with David Katzenberg, his partner in Katzsmith Productions, Grahame-Smith is currently developing a number of projects for television and film.
The Story of Sin (Polish: "Dzieje grzechu" ) is a 1975 Polish drama film directed by Walerian Borowczyk.
 It was entered into the 1975 Cannes Film Festival.
Lisbeth Hummel (born 1952 in Copenhagen, Denmark) is a Danish film actress.
 She is known for the controversial film "The Beast", directed by Walerian Borowczyk, and "" and "Dangerous Women", both directed by her husband .
 She is now working as an artist, and lives in Denmark and Italy.