Question: are William C. deMille and Izu Ojukwu both film directors ?

Context articles: Alero's Symphony
'76 (film)
Across the Niger
Izu Ojukwu
Matilda Beatrice deMille
The Doctor's Secret
White Waters
One More American
Bangladesh Film Directors Association
William C. deMille

Alero's Symphony is a 2011 Nigerian musical drama film directed by Izu Ojukwu and starring Bimbo Manuel, Ivie Okujaye and Chibuzor 'Faze' Oji.
 It premiered at The Palms, Genesis Cinemas, Lagos.
 The film is an upshot of the Amstel Malta Box Office 5 (AMBO 5) reality show.
 It received 4 nominations at the 8th Africa Movie Academy Awards and was screened across major Nigerian cities by the Africa Film Academy.
'76, formerly Lions of '76, is a 2016 Nigerian historical fiction drama film produced by Adonaijah Owiriwa and Izu Ojukwu and directed by Izu Ojukwu.
 It stars Ramsey Nouah, Chidi Mokeme, Rita Dominic and Ibinabo Fiberesima.
Across the Niger is a Nigerian drama movie produced in 2004, directed by Izu Ojukwu and written by Kabat Esosa Egbon.
 It starred Chiwetalu Agu, who was nominated for "best actor in a supporting role" for his part in the film at the 2008 4th annual African Movie Academy Awards.
Izu Ojukwu is a Nigerian film director.
 In 2007 he won "Best Director" for "Sitanda" at the 3rd Africa Movie Academy Awards, which received nine nominations and won five awards at the event, including "Best Picture" and "Best Nigerian Film".
Matilda Beatrice deMille (January 30, 1853 - October 8, 1923) (born Matilda Beatrice Samuel; also known as "Beatrice C. deMille, Agnes Graham, Tillie Samuel, Mrs. Henry deMille)" was an English-American play broker, screenwriter, playwright, theater actress and entrepreneur.
 deMille was born in Liverpool, England to German Jewish parents.
 She emigrated to New York with her family in 1871.
 She was married to Henry deMille, an aspiring actor in Brooklyn, New York, in 1876, she had three children; her first son William C. deMille followed by Cecil B. DeMille in 1881 and daughter, Agnes Beatrice in 1891 who died four years later of spinal meningitis.
The Doctor's Secret is a 1929 American drama film directed by William C. deMille and written by William C. deMille.
 The film stars Ruth Chatterton, H. B. Warner, John Loder, Robert Edeson, Wilfred Noy and Ethel Wales.
 It is based on a play by J. M. Barrie.
 The film was released on January 26, 1929, by Paramount Pictures.
White Waters is a 2007 sports drama film directed by Izu Ojukwu.
 The film received 12 nominations and won four awards at the 4th African Movie Academy Awards including winning Best Director, Best Cinematography, Best Sound and Best Actress award in a Supporting Role for Joke Silva.
One More American is a 1918 American silent drama film directed by William C. deMille and written by Olga Printzlau and William C. deMille.
 The film stars George Beban, Marcia Manon, Mae Giraci, Helen Jerome Eddy, Raymond Hatton, and Jack Holt.
 The film was released on February 25, 1918, by Paramount Pictures.
 It is not known whether the film currently survives, which suggests that it is a lost film.
Bangladesh Film Directors Association is the pan-national trade body of film directors in Bangladesh.
 The Bangladesh Film Directors Association’s General Secretary is Badiul Alam Khokon.
 Mushfiqur Rahman Gulzar is the president of Bangladesh Film Directors Association.
William Churchill de Mille (July 25, 1878 – March 5, 1955) was an American screenwriter and film director from the silent movie era through the early 1930s.
 He was also a noted playwright prior to moving into film.
 Once he was established in film he specialized in adapting Broadway plays into silent films.