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.
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).
Olive Thomas
Olive Thomas (born Oliva R. Duffy; October 20, 1894 – September 10, 1920) was an American silent-film actress and model.
Thomas began her career as an illustrator's model in 1914, and moved on to the "Ziegfeld Follies" the following year.
During her time as a Ziegfeld girl, she also appeared in the more risqué show "The Midnight Frolic".
In 1916, she began a successful career in silent films and would appear in more than 20 features over the course of her four-year film career.
That year she also married actor Jack Pickford, the younger brother of fellow silent-film star Mary Pickford.
On September 10, 1920, Thomas died in Paris five days after ingesting her husband's syphillis medication, mercury bichloride, that brought on acute nephritis.
Although her death was ruled accidental, news of her hospitalization and subsequent death were the subject of speculation in the press.
Thomas' death has been cited as one of the first heavily publicized Hollywood scandals.
James Armour (Master mason)
James Armour (15 January 1730 – 20 September 1798) was a master mason and father of Jean Armour, and therefore the father-in-law of the poet Robert Burns.
John Vernou Bouvier III
John Vernou" Black Jack" Bouvier III( May 19, 1891 – August 3, 1957) was an American Wall Street stockbroker and socialite.
He was the father of First Lady Jacqueline Kennedy Onassis and of socialite Lee Radziwill, and was the father- in- law of John F. Kennedy.
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.
Ogawa Mataji
Viscount was a general in the early Imperial Japanese Army.
He was also the father- in- law of Field Marshal Gen Sugiyama.
Harry Smith (athlete)
Harry James Smith( July 30, 1888 – November 20, 1962) was an American long- distance runner.
He was most notable for competing in the 1912 Olympics in Stockholm.
He was also the father of Hart wrestling family matriarch Helen Hart and the father- in- law of Stu Hart.
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.
Jack Pickford
Jack Pickford (born John Charles Smith; August 18, 1896 – January 3, 1933) was a Canadian-born American actor, film director and producer.
He was the younger brother of actresses Mary and Lottie Pickford.
After their father deserted the family, all three Pickford children began working as child actors on the stage.
Mary later became a highly popular silent film actress, producer and early Hollywood pioneer.
While Jack also appeared in numerous films as the "All American boy next door" and was a fairly popular performer, he was overshadowed by his sister's success.
Also, by the late 1920s, his career had begun to decline due to alcohol, drugs and chronic depression.

Question: Who is the father-in-law of Olive Thomas?