Mara Branković
Mara Branković (c. 1416 – 14 September 1487), also known as "Sultana MarijaMara HatunDespina Hatun", or "Amerissa", was the daughter of Serbian monarch Đurađ (George) Branković and Eirene Kantakouzene.
She entered the harem of Sultan Murad II of the Ottoman Empire.
The coast between Salonica and Kassandra peninsula has been named Kalamarija after her – Mary the Good
Morris Harvey
Morris Harvey( 1877– 1944) was a British actor and writer.
A renowned character actor, he also wrote for the stage, including material for Broadway revues, in which he also appeared.
He was the stepfather of film director Anthony Harvey.
Irene Kantakouzene
Irene Kantakouzene ("Eiréne KantakouzenéEiríni KantakouziníIrina Kantakuzin"; 1400 – May 3, 1457), known simply as Despotess Jerina (/ "despotica Jerina"), was the wife of Serbian Despot Đurađ Branković.
In Serbian folk legends, she is the founder of many fortresses in Serbia.
Héctor Barrantes
Héctor Barrantes Sansoni( 1939–1990) was an Argentine polo player.
He was the stepfather of Sarah, Duchess of York.
Charles Williams, Baron Williams of Elvel
Charles Cuthbert Powell Williams, Baron Williams of Elvel,( born 9 February 1933) is a retired business executive and a Labour peer.
In his 20s he played first- class cricket while at university and for several seasons afterwards.
He is the stepfather of Justin Welby, the Archbishop of Canterbury.
Jerrold Wexler
Jerrold Wexler( June 27, 1924 – November 10, 1992) was a noted American businessman and film producer.
He was the brother of cinematographer Haskell Wexler and the stepfather of actress Daryl Hannah.
Michelle Hodkin
Michelle Hodkin( born May 31, 1982) is an American New York Times bestselling author, and the creator of the" Mara Dyer Trilogy", consisting of" The Unbecoming of Mara Dyer The Evolution of Mara Dyer", and" The Retribution of Mara Dyer".
Albert E. Austin
Albert Elmer Austin( November 15, 1877 – January 26, 1942) was a Republican member of the United States House of Representatives from 1939 to 1941 and member of the Connecticut House of Representatives from 1917 to 1919 and from 1921 to 1923.
He was the stepfather of Clare Boothe Luce.
Albert Visetti
Albert Anthony Visetti( 13 May 1846–10 July 1928) was a Dalmatian musician who moved to London where he was Professor of Singing at the Royal College of Music, becoming a Fellow in 1921.
He was the stepfather of the novelist Radclyffe Hall.
Gerald Rudolff Ford
Gerald Rudolff Ford( December 9, 1890 – January 26, 1962) was an American businessman, creator of Ford Industries, and Republican politician who was the stepfather of U.S. President Gerald Ford and for whom Ford legally changed his name.

Question: Who is Mara Branković's father?
Answer: Đurađ Branković