John of Burgundy (1231–68)
John of Burgundy( 1231 – 29 September 1268) was a Count of Charolais and Lord of Bourbon.
He was a younger son of Duke Hugh IV of Burgundy and his wife, Yolande of Dreux.
John married in February 1248 to Agnes( d. 1288), the heiress of Lord Archambaud IX of Bourbon from the House of Dampierre.
After the death of his father- in law in 1249 John became Lord of Bourbon in right of his wife.
John and Agnes had a daughter, Beatrice( d. 1310), who inherited possessions from both of her parents.
In 1272, she married the royal Prince Robert, Count of Clermont and thereby founded the Capetian dynasty of the Bourbons.
Matilda II, Countess of Nevers
Matilda II, Countess of Nevers( 1234/35–1262), also known as Maud of Dampierre or Mathilda II of Bourbon, was a sovereign Countess of Nevers, Countess of Auxerre, Countess of Tonnerre and Lady of Bourbon.
She was a daughter of Archambaud IX of Bourbon and Yolande de Châtillon, Countess of Nevers.
As heiress to the counties of Nevers, Auxerre and Tonnerre, she was married off to Odo, Count of Nevers, the son and heir of Hugh IV, Duke of Burgundy.
By this marriage Odo reunited two important areas that had previously been united as the Duchy of Burgundy, but he died leaving no male heirs, and so the united territory passed to his brother Robert II, Duke of Burgundy.
After her father's death Matilda also became Lady of Bourbon.
With Odo she had three children:
Sibylla of Burgundy, Duchess of Burgundy
Sybilla of Burgundy( 1065 – 1103), was a French noble, Duchess consort of Burgundy by marriage to Eudes I, Duke of Burgundy.
She was a daughter of William I, Count of Burgundy and Stephanie.
She was married to Eudes I, Duke of Burgundy in 1080.
Children:
Peter II, Duke of Bourbon
Peter II, Duke of Bourbon (1 December 1438 – 10 October 1503 in Moulins), was the son of Charles I, Duke of Bourbon, and Agnes of Burgundy, and a member of the House of Bourbon.
He and his wife Anne of France ruled as regents during the minority of Charles VIII of France.
Beatrice of Burgundy, Lady of Bourbon
Beatrice of Burgundy (1257 – October 1, 1310) was a ruling Lady of Bourbon in 1288-1310 and, through her mother, heiress of all Bourbon estates.
She was the daughter of John of Burgundy (son of Hugh IV, Duke of Burgundy) and Agnes of Dampierre.
In 1272 Beatrice married Robert, Count of Clermont and their eldest son Louis I, "le Boiteux" became the first Duke of Bourbon.
It is through her that her distant male descendants of the French House of Bourbon get their name.
Beatrice of Bourbon, Queen of Bohemia
Beatrice of Bourbon( 1320 – 23 December 1383) was a French noblewoman.
A member of the House of Bourbon, she was by marriage Queen of Bohemia and Countess of Luxembourg.
She was the youngest daughter of Louis I, Duke of Bourbon, and Mary of Avesnes.
Ogawa Mataji
Viscount was a general in the early Imperial Japanese Army.
He was also the father- in- law of Field Marshal Gen Sugiyama.
Agnes of Dampierre
Agnes of Dampierre( 1237 – 7 September 1288) was Lady of Bourbon and heiress of all Bourbon estates.
She was the daughter of Archambaud IX de Dampierre and Yolande I, Countess of Nevers.
She married John of Burgundy, the son of Hugh IV, Duke of Burgundy.
Her daughter, Beatrix of Bourbon, married Robert, Count of Clermont in 1272 and their eldest son Louis I," le Boiteux" became the first Duke of Bourbon.
Isabella of Bourbon
Isabella of Bourbon, Countess of Charolais( 1434 – 25 September 1465) was the second wife of Charles the Bold, Count of Charolais and future Duke of Burgundy.
She was a daughter of Charles I, Duke of Bourbon and Agnes of Burgundy, and the mother of Mary of Burgundy, heiress of Burgundy.
Robert, Count of Clermont
Robert of Clermont (1256 – 7 February 1317) was created Count of Clermont in 1268.
He was the son of King Louis IX of France and Margaret of Provence.
In 1272, Robert married Beatrice of Burgundy, heiress of Bourbon and had the following issue:
During his first joust, in 1279, Robert suffered head injuries which rendered him an invalid for the remainder of his life.
Robert is considered the founder of the House of Bourbon, a family which, with the passing of centuries came to reign as kings of Navarre (1572-1830), kings of France (1589–1848; due to the extinction of all legitimate agnatic progeny of all his elder brothers), kings of Spain (1700–present), kings of the Two Sicilies (1735–1860), dukes of Parma (1748–1796 and 1847–1859) and grand dukes of Luxembourg (1964–present).
Robert's godfather, chosen by Louis IX, was Humbert of Romans, the Dominican Master of the Order at the time of Robert's birth.
Robert is mentioned in the prologue of the "Coutumes de Beauvaisis" by Philippe de Beaumanoir.
He was buried in the now-demolished church of the Couvent des Jacobins in Paris.
Robert is a supporting character in "Les Rois mauditsThe
Accursed Kings"), a series of French historical novels by Maurice Druon.
He was portrayed by Alexandre Rignault in the 1972 French miniseries adaptation of the series, and by Ioan Siminie in the 2005 adaptation.

Question: Who is the father-in-law of Beatrice Of Burgundy, Lady Of Bourbon?
Answer: Louis IX