Infanta Blanca of Spain
Infanta Blanca of Spain (7 September 1868 – 25 October 1949) was the eldest child of Carlos, Duke of Madrid, Carlist claimant to the throne of Spain and his wife Princess Margherita of Bourbon-Parma.
Blanca was a member of the House of Bourbon and - according to the Carlists - an Infanta of Spain by birth.
In 1889 she married Archduke Leopold Salvator of Austria.
The couple had ten children.
The family left Austria after the end of the Monarchy and finally settled in Barcelona.
When the male line of Blanca's family died out at the death of her uncle, Alfonso Carlos, Duke of San Jaime, some of the Carlists recognized her as the legitimate heiress to the Spanish throne.
Ogawa Mataji
Viscount was a general in the early Imperial Japanese Army.
He was also the father- in- law of Field Marshal Gen Sugiyama.
Ludwig von Westphalen
Johann Ludwig von Westphalen( 11 July 1770 – 3 March 1842) was a liberal Prussian civil servant and the father- in- law of Karl Marx.
Archduke Anton of Austria
Archduke Anton of Austria (Anton Maria Franz Leopold Blanka Karl Joseph Ignaz Raphael Michael Margareta Nicetas von Habsburg-Lorraine; Vienna, 20 March 1901 – Salzburg, 22 October 1987) was an Archduke of Austria and Prince of Tuscany.
He was the seventh of ten children born to Archduke Leopold Salvator of Austria, Prince of Tuscany, and Infanta Blanca of Spain, daughter of Carlos, Duke of Madrid.
Barthold A. Butenschøn Sr.
Hans Barthold Andresen Butenschøn( 27 December 1877 – 28 November 1971) was a Norwegian businessperson.
He was born in Kristiania as a son of Nils August Andresen Butenschøn and Hanna Butenschøn, and grandson of Nicolay Andresen.
Together with Mabel Anette Plahte( 1877 – 1973, a daughter of Frithjof M. Plahte) he had the son Hans Barthold Andresen Butenschøn Jr. and was through him the father- in- law of Ragnhild Butenschøn and grandfather of Peter Butenschøn.
Through his daughter Marie Claudine he was the father- in- law of Joakim Lehmkuhl, through his daughter Mabel Anette he was the father- in- law of Harald Astrup( a son of Sigurd Astrup) and through his daughter Nini Augusta he was the father- in- law of Ernst Torp.
He took commerce school and agricultural school.
He was hired in the family company N. A. Andresen& Co, and became a co-owner in 1910.
He eventually became chief executive officer.
The bank changed its name to Andresens Bank in 1913 and merged with Bergens Kreditbank in 1920.
The merger was dissolved later in the 1920s.
He was also a landowner, owning Nedre Skøyen farm and a lot of land in Enebakk.
He chaired the board of Nydalens Compagnie from 1926, having not been a board member before that.
He also chaired the supervisory council of Forsikringsselskapet Viking and Nedre Glommen salgsforening, and was a supervisory council member of Filharmonisk Selskap.
He was a member of the gentlemen's club SK Fram since 1890, and was proclaimed a lifetime member in 1964.
He was buried in Enebakk.
Archduke Karl Pius of Austria, Prince of Tuscany
Archduke Karl Pius of Austria, Prince Royal of Hungary and Bohemia, Prince of Tuscany( 4 December 1909 – 24 December 1953), called" Carlos Pío de Habsburgo- Lorena y de Borbón" in Spain, was a member of the Tuscan branch of the Imperial House of Habsburg and a Carlist claimant to the throne of Spain under the assumed name of" Carlos VIII".
He was the tenth and youngest child of Archduke Leopold Salvator, Prince of Tuscany and Infanta Blanca of Spain.
Archduchess Margaretha of Austria
Archduchess Margaretha of Austria(( 8 May 1894 – 21 January 1986) was a daughter of Archduke Leopold Salvator of Austria and Infanta Blanca of Spain.
She was member of the Tuscan branch of the Imperial House of Habsburg, an Archduchess of Austria and Princess of Tuscany by birth.
After the fall of the Austro- Hungarian Empire, she lived in exile, first in Barcelona and from the 1930s until the end of her life in Italy.
In 1937, she married an Italian diplomat, Marchese Francesco Maria Taliani de Marchio.
The couple, who had married in their forties, did not have children.
Peter Burroughs
Peter Burroughs( born 27 January 1947) is a British television and film actor, the director of Willow Management.
He is the father- in- law of actor and TV presenter Warwick Davis.
Bill Dundee
William" Bill" Cruickshanks( born 24 October 1943) is a Scottish born- Australian professional wrestler and author better known by his stage name Bill Dundee.
Cruickshanks is the father of Jamie Dundee and the father- in- law of wrestler Bobby Eaton.
Archduke Leopold Salvator of Austria
Archduke Leopold Salvator, Prince of Tuscany
(Leopold Salvator Maria Joseph Ferdinand Franz von Assisi Karl Anton von Padua Johann Baptist Januarius Aloys Gonzaga Rainer Wenzel Galius von Österreich-Toskana)
(15 October 1863 – 4 September 1931), was the son of Archduke Karl Salvator of Austria and Princess Maria Immaculata of Bourbon-Two Sicilies.

Question: Who is the father-in-law of Infanta Blanca Of Spain?
Answer: Archduke Karl Salvator of Austria