Agnes of Waiblingen
Agnes of Waiblingen( 1072/ 73 – 24 September 1143), also known as Agnes of Germany, Agnes of Poitou and Agnes of Saarbrücken, was a member of the Salian imperial family.
Through her first marriage, she was Duchess of Swabia; through her second marriage, she was Margravine of Austria.
Ogawa Mataji
Viscount was a general in the early Imperial Japanese Army.
He was also the father- in- law of Field Marshal Gen Sugiyama.
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.
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.
John Adams (merchant)
John Adams( 1672 or 1673 – 1745) was an American- born Canadian merchant and member of the Nova Scotia Council.
He was the father- in- law of Henry Newton( politician).
Rainier, Marquess of Montferrat
Rainier or Renier( c. 1084 – May 1135), son of William IV, Marquess of Montferrat, was the sixth ruler of the state of Montferrat in north- west Italy from about 1100 to his death, and the first such to be identified in contemporary documents as Margrave of Montferrat.
Renier of Montferrat
Renier of Montferrat( in Italian, Ranieri di Monferrato)( 1162– 1183) was the fifth son of William V of Montferrat and Judith of Babenberg.
He became son-in- law of the Byzantine Emperor Manuel I Komnenos and" Caesar" in 1180, and was later murdered in a Byzantine power- struggle.
Anne d'Alençon
Anne d'Alençon (Italian: Anna d'Alençon) (30 October 1492 – 18 October 1562), Lady of La Guerche, was a French noblewoman and a Marquise of Montferrat as the wife of William IX, Marquis of Montferrat.
She acted as Regent of the Marquisate of Montferrat for her son, Boniface from 1518 to his death in 1530.
Henry of Flanders
Henry (1176? – 11 June 1216) was the second emperor of the Latin Empire of Constantinople.
He was a younger son of Baldwin V, Count of Hainaut (later Baldwin VIII, count of Flanders), and Margaret I of Flanders, sister of Philip of Alsace, count of Flanders.
Agnes of Montferrat
Agnes of Montferrat (1187 – 1207/1208) was the first Empress consort of Henry of Flanders, Latin Emperor of Constantinople.

Question: Who is Agnes Of Montferrat's father-in-law?
Answer: Baldwin V, Count of Hainaut