Blanche of Portugal (1259–1321)
Blanche of Portugal( 25 February 1259 in Santarém, – 17 April 1321 in Burgos; Branca in Portuguese and Blanca in Spanish), was an" infanta", the firstborn child of King Afonso III of Portugal and his second wife Beatrice of Castile.
Named after her great- aunt Blanche of Castile, queen of France, Blanche was the Lady of Las Huelgas, Montemor- o- Velho, Alcocer and Briviesca, the city which she founded.
Maria of Aragon, Lady of Cameros
Maria of Aragon( c. 1299–1347 in Sijena) was a daughter of James II of Aragon and his second wife Blanche of Anjou.
She married Peter of Castile, Lord of Cameros( 1290 – 1319), son of Sancho IV of Castile.
Their daughter, Blanche of Castile( 1315 – 1375), was betrothed to Peter I of Portugal but the marriage never took place.
Maria died at Sijena in 1347.
Ogawa Mataji
Viscount was a general in the early Imperial Japanese Army.
He was also the father- in- law of Field Marshal Gen Sugiyama.
Alfonso de la Cerda
Alfonso de la Cerda, (Valladolid 1270 - Ávila 1333), called the disinherited, was the elder son of Ferdinand de la Cerda and his wife Blanche of France, and was a grandson of Alfonso X of Castile.
Alfonso and his brother Fernando were candidates for the Castilian-Leonese crown during the reigns of Sancho IV of Castile, Ferdinand IV of Castile and Alfonso XI of Castile.
In 1331, Alfonso renounced his rights and swore allegiance to Alfonso XI of Castile.
Louis VIII of France
Louis VIII (5 September 1187 – 8 November 1226), called the Lion , was King of France from 1223 to 1226.
From 1216 to 1217, he also claimed to be King of England.
Louis was the only surviving son of King Philip II of France by his first wife, Isabelle of Hainaut, from whom he inherited the County of Artois.
While Louis VIII only briefly reigned as king of France, he was an active leader prior to accession.
During the First Barons' War of 1215–17 against King John of England, his military prowess earned him the epithet "the Lion".
After his victory at the Siege of Roche-au-Moine in 1214, he invaded southern England and was proclaimed "King of England" by rebellious barons in London on the 2 June 1216.
He was never crowned as king of England, however, and renounced his claim after being excommunicated and repelled.
In 1217, Louis started the conquest of Guyenne, leaving only a small region around Bordeaux to Henry III of England.
Louis's short reign was marked by an intervention using royal forces into the Albigensian Crusade in southern France that decisively moved the conflict towards a conclusion.
He was the first Capetian king to grant appanages to his younger sons on a large scale.
He died in 1226 and was succeeded by his son Louis IX.
Blanche of Castile (1319–75)
Blanche of Castile( August 1319 – 1375) was by birth a member of the Castilian House of Burgundy.
She was the only child of Infante Peter of Castile, Lord of Los Cameros( son of King Sancho IV of Castile) and Infanta Maria of Aragon( daughter of King James II of Aragon).
Blanche of Castile
Blanche of Castile (4 March 1188 – 27 November 1252) was Queen of France by marriage to Louis VIII.
She acted as regent twice during the reign of her son, Louis IX: during his minority from 1226 until 1234, and during his absence from 1248 until 1252.
She was born in Palencia, Spain, 1188, the third daughter of Alfonso VIII, King of Castile, and Eleanor of England.
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.
Noël Corbu
Noël Corbu( 27 April 1912 – 20 May 1968) is best known as a former restaurateur in the Southern French village of Rennes- le- Château who, between 1955- 1962 circulated the story that the 19th- century French priest Bérenger Saunière discovered the treasure of Blanche of Castile.
Corbu changed his story about Saunière in 1962( see below).
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.

Question: Who is the father-in-law of Blanche Of Castile?
Answer: Philip II of France