Héctor Barrantes
Héctor Barrantes Sansoni( 1939–1990) was an Argentine polo player.
He was the stepfather of Sarah, Duchess of York.
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.
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.
Ada de Warenne
Ada de Warenne (or Adeline de Varenne) (1120 – 1178) was a Scottish princess, the Anglo-Norman wife of Henry of Scotland, Earl of Northumbria and Earl of Huntingdon.
She was the daughter of William de Warenne, 2nd Earl of Surrey by Elizabeth of Vermandois, and a great-granddaughter of Henry I of France.
She became mother to two Kings of Scots, Malcolm the Maiden and William the Lion.
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.
Malcolm IV of Scotland
Malcolm IV (Mediaeval Gaelic: "Máel Coluim mac Eanric"; Modern Gaelic: "
Maol Chaluim mac Eanraig"), nicknamed Virgo, "the Maiden" (between 23 April and 24 May 11419 December 1165) was King of Scotland from 1153 until his death.
He was the eldest son of Henry, Earl of Huntingdon and Northumbria (died 1152) and Ada de Warenne.
The original Malcolm Canmore, a name now associated with his great-grandfather Malcolm III (Máel Coluim mac Donnchada), he succeeded his grandfather David I, and shared David's Anglo-Norman tastes.
Called Malcolm the Maiden by later chroniclers, a name which may incorrectly suggest weakness or effeminacy to modern readers, he was noted for his religious zeal and interest in knighthood and warfare.
For much of his reign he was in poor health and died unmarried at the age of twenty-four.
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.
Lolo Soetoro
Lolo Soetoro
( EYD: Lolo Sutoro;; 2 January 1935 – 2 March 1987), also known as Lolo Soetoro Mangunharjo or Mangundikardjo, of Indonesia was the stepfather of Barack Obama, the 44th President of the United States.
Alexander von Hanstein, Count of Pölzig and Beiersdorf
Maximilian Elisäus Alexander von Hanstein, Count of Pölzig and Beiersdorf( 9 June 1804, Burghaig, Kulmbach – 18 April 1884, Schmölln) was a Thuringian count.
He was the stepfather of Prince Albert and grandfather of Hans Poelzig.

Question: Who is Malcolm Iv Of Scotland's father?
Answer: Henry of Scotland