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.
Ogawa Mataji
Viscount was a general in the early Imperial Japanese Army.
He was also the father- in- law of Field Marshal Gen Sugiyama.
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.
Maria-Irene Palaiologina
Irene Palaiologina (Irina; Ειρήνη Παλαιολογίνα) (1327 - after 1356) was a Byzantine princess and Bulgarian empress consort.
She was also known as Maria Palaiologina (Μαρία Παλαιολογίνα).
Her parents were Andronikos III Palaiologos and Anna of Savoy, whilst her siblings were John V Palaiologos and Michael Palaiologos.
She married in 1336 Tsar Michael Asen IV of Bulgaria.
Nothing else is known about her, except that she was an Orthodox Christian.
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).
Dorothea Liebermann-Meffert
Dorothea Maria Irene Liebermann- Meffert( born 6 May 1936) is a German surgeon and professor of surgery at the Technical University of Munich.
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.
Irene Palaiologina (Byzantine empress)
Irene Palaiologina( died after 1356), was the Empress consort of Matthew Kantakouzenos.
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.
Michael Asen IV of Bulgaria
Michail Asen  (c. 1322–1355) was the eldest son of Ivan Alexander of Bulgaria from his marriage with Theodora of Wallachia.
After his father acceded to the throne in 1331, the young prince was proclaimed co-Emperor.
He was to succeed his father under the name Michael IV Asen.
The heir to the throne was the pride of the royal family and was said to possess "all virtues".
He married Maria, renamed Irina, the daughter of Andronikos III Palaiologos.
In 1354–1355 the Ottoman Turks invaded Bulgaria and headed towards Plovdiv and Sofia.
It is mentioned in an anonymous Bulgarian chronicle that Michail Asen gathered the Bulgarians and engaged the Turks near Sofia.
The Bulgarians were defeated and suffered heavy casualties including Michail himself.
But the battle was not in vain: the Ottomans failed to capture the cities and did not attack the country up to 1370.In
the Bulgarian folklore is mentioned that the son of the Emperor perished with the death of the brave.

Question: Who is Maria-Irene Palaiologina's father-in-law?
Answer: Ivan Alexander of Bulgaria