Question: Who is the father-in-law of Princess Firyal?

Knowledge 1: Princess Firyal
Princess Firyal (born 1945) is a Jordanian princess, humanitarian, and philanthropist.She has been a UNESCO Goodwill Ambassador since 1992, for whom she works on programs for education and protection of world heritage.She is a board member at the International Rescue Committee (IRC), New York Public Library, and a wide range of museums and universities, including the John F. Kennedy School of Government at Harvard University.Princess Firyal is a graduate of Columbia University.From 1964 to 1978 she was married to Prince Muhammad bin Talal—younger brother of the late HM King Hussein of Jordan—by whom she has two sons, Prince Talal and Prince Ghazi. [SEP] Knowledge 2: Prince Muhammad bin Talal
Prince Muhammad bin Talal (born 2 October 1940) is the second son of King Talal of Jordan and is the younger brother of King Hussein of Jordan.
Knowledge 1: Princess Firyal
Princess Firyal (born 1945) is a Jordanian princess, humanitarian, and philanthropist.She has been a UNESCO Goodwill Ambassador since 1992, for whom she works on programs for education and protection of world heritage.She is a board member at the International Rescue Committee (IRC), New York Public Library, and a wide range of museums and universities, including the John F. Kennedy School of Government at Harvard University.Princess Firyal is a graduate of Columbia University.From 1964 to 1978 she was married to Prince Muhammad bin Talal—younger brother of the late HM King Hussein of Jordan—by whom she has two sons, Prince Talal and Prince Ghazi. [SEP] Knowledge 2: 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.
Knowledge 1: Princess Firyal
Princess Firyal (born 1945) is a Jordanian princess, humanitarian, and philanthropist.She has been a UNESCO Goodwill Ambassador since 1992, for whom she works on programs for education and protection of world heritage.She is a board member at the International Rescue Committee (IRC), New York Public Library, and a wide range of museums and universities, including the John F. Kennedy School of Government at Harvard University.Princess Firyal is a graduate of Columbia University.From 1964 to 1978 she was married to Prince Muhammad bin Talal—younger brother of the late HM King Hussein of Jordan—by whom she has two sons, Prince Talal and Prince Ghazi. [SEP] Knowledge 2: Prince Ghazi bin Muhammad
Prince Ghazi bin Muhammad( born 15 October 1966) is a Jordanian prince and a professor of philosophy.He is the son of Prince Muhammad bin Talal of Jordan and his first wife, Princess Firyal.He is a grandson of King Talal of Jordan and thus a first cousin of King Abdullah II and eighteenth in the line of succession to the Jordanian throne.He is well known for his religious initiatives, about which a book was published in 2013.

Answer: Talal of Jordan