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.
Prince Jean of Luxembourg
Prince Jean of Luxembourg( given names:" Jean Félix Marie Guillaume"; born 15 May 1957 at Betzdorf Castle), the second son of Jean, Grand Duke of Luxembourg and Princess Joséphine- Charlotte of Belgium.
He is the twin brother of Princess Margaretha.
He frequently goes by the name of Jean Nassau.
On 26 September 1986, Prince Jean renounced his right of succession to the Luxembourg throne.
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.
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.
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.
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.
Jean, Grand Duke of Luxembourg
Jean (Jean Benoît Guillaume Robert Antoine Louis Marie Adolphe Marc d'Aviano; 5 January 1921 – 23 April 2019) was the Grand Duke of Luxembourg from 1964 until his abdication in 2000.
He was the first Grand Duke of Luxembourg of French agnatic descent.
Jean was the eldest son of Grand Duchess Charlotte and Prince Felix.
Jean's primary education was initially in Luxembourg, before attending Ampleforth College in England.
In 1938, he was officially named Hereditary Grand Duke as heir to the throne of Luxembourg.
While Luxembourg was occupied by Germans during the Second World War, the grand ducal family was abroad in exile.
Jean studied at the Université Laval in Quebec City.
Jean later volunteered to join the British army's Irish Guards in 1942, and after graduating from the Royal Military Academy Sandhurst, received his commission in 1943.
He participated in the Normandy landings and the Battle for Caen, and joined the Allied forces in the liberation of Luxembourg.
From 1984 until 2000, he was colonel of the Irish Guards.
On 9 April 1953, Jean married Princess Joséphine Charlotte of Belgium with whom he had five children.
On 12 November 1964, Grand Duchess Charlotte abdicated and Jean succeeded her as Grand Duke of Luxembourg.
He then reigned for 36 years before he himself abdicated on 7 October 2000 and was succeeded by his son, Grand Duke Henri.
Héctor Barrantes
Héctor Barrantes Sansoni( 1939–1990) was an Argentine polo player.
He was the stepfather of Sarah, Duchess of York.
Charlotte, Grand Duchess of Luxembourg
Charlotte (
Charlotte Adelgonde Élise/Elisabeth Marie Wilhelmine; 23 January 1896 – 9 July 1985) reigned as Grand Duchess of Luxembourg from 1919 until her abdication in 1964.
She acceded to the throne on 14 January 1919 following the abdication of her sister, Marie-Adélaïde, due to political pressure over Marie-Adélaïde's role during the German occupation of Luxembourg during World War I. A referendum retained the monarchy with Charlotte as grand duchess.
She married Prince Felix of Bourbon-Parma on 6 November 1919.
They had six children.
Following the 1940 German invasion of Luxembourg during World War II, Charlotte went into exile: first in France, then Portugal, Great Britain, and North America.
While in Britain, she made broadcasts to the people of Luxembourg.
She returned to Luxembourg in April 1945.
She abdicated in 1964, and was succeeded by her son Jean.
Charlotte died from cancer on 9 July 1985.
She was the last agnatic member of the House of Nassau.
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.

Question: Who is Jean, Grand Duke Of Luxembourg's father?
Answer: Prince Felix of Bourbon-Parma