Beatrice of Montferrat
Beatrice of Montferrat (c.1210 – 1274) was an Italian noblewoman, the eldest daughter of William VI, Marquess of Montferrat, and the third wife of Guigues VI of Viennois, by whom she had two sons.
According to the vida of the troubadour Gauseran de Saint-Leidier, Beatrice was the "domna" (lady), whom he allegedly loved.
He celebrated his idealised devotion to her in his "cansos.
Humbert I of Viennois
Humbert I of Viennois( c. 1240 – 12 April 1307) was baron of la Tour- du- Pin and then also became, by his marriage, dauphin of Viennois.
He was the son of Albert IV, baron of la Tour- du- Pin, and of Béatrice de Coligny( herself the daughter of Hugh I, lord of Coligny and of Béatrice d' Albon, dauphine of Viennois).
In 1294, Humbert became a vassal of King Philip IV of France in exchange for £ 500 annual pension, which would give impetus to the acquisition of the Dauphiné, by King Philip VI of France, fifty years later.
In 1273 he married Anne of Burgundy( daughter of Guigues VII of Viennois)- their nine children were:
Héctor Barrantes
Héctor Barrantes Sansoni( 1939–1990) was an Argentine polo player.
He was the stepfather of Sarah, Duchess of York.
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.
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.
Guigues VII of Viennois
Guigues VII (1225–1269), of the House of Burgundy, was the dauphin of Vienne and count of Albon, Grenoble, Oisans, Briançon, Embrun, and Gap from 1237 to his death.
He was the son of Andrew Guigues VI and Beatrice of Montferrat.
When his father died, his mother helped guide the leadership of the new Dauphin.
He fought great contests over the counties of Embrun and Gap with Charles, Count of Provence and Forcalquier.
Those counties were the dowry of his father's first wife, Beatrice of Forcalquier.
Guigues VI had repudiated his first wife and married a second, giving the counties of his former wife to the son of his second: Guigues VII.
Charles, as heir to the county of Forcalquier, claimed the counties.
A compromise was eventually reached whereby Guigues retained Embrun, but Charles received Gap.
In 1239, the young Dauphin entered negotiations to marry Cecile of Baux with the help of his ally, Raymond VII of Toulouse.
Cecile's father, Barral later claimed that he only negotiated the engagement under threats against his life.
In 1241, he became engaged to Beatrice of Savoy, daughter of Peter of Savoy and Agnes of Faucigny.
Peter's brother, Philip agreed to help the Dauphin fight the count of Valentinois.
In 1247, Guigues was summoned by Frederick II, Holy Roman Emperor to join the army he was assembling in Savoy.
This army was being gathered to attack the Pope in Lyon, though ultimately Frederick was distracted by other battles in Italy.
In 1253, Guigues married Beatrice (1237–1310).
For her dowry, Beatrice brought Guigues Faucigny, a distant territory menacing Savoy, the traditional enemy of the Viennois.
Many wars of Guigues' descendants would be aimed at the defence of this land from the Savoyard counts.
Guigues had two sons and a daughter:
Beatrice of Hungary, Dauphine of Viennois
Beatrice of Hungary( 1290–1343 or 1354) was a Dauphine of Viennois by marriage to John II of Viennois.
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 Guigues Vii Of Viennois's father?
Answer: Guigues VI of Viennois