Question: Who is the father-in-law of Elizabeth Somerset, Baroness Herbert?

Knowledge 1: Elizabeth Somerset, Baroness Herbert
Elizabeth Herbert, 3rd Baroness Herbert (c. 1476 – 27 August 1507) was the sole heir and daughter of William Herbert, 2nd Earl of Pembroke, and his first wife, Mary Woodville.Her father died on 16 July 1491, and she inherited extensive lands in Wales.As her father had no sons, she succeeded to his barony, but could not succeed to the earldom, which was restricted to the male line.She was made a ward of King Henry VII of England, and married Charles Somerset, 1st Earl of Worcester on 2 June 1492.Their only son, Henry, was born in around 1496.In 1504, Somerset was created Baron Herbert.Elizabeth died on 27 August 1507, and was buried in St George's Chapel, Windsor Castle.The following month, further estates, including the lease of Caldicot Castle, devolved on Elizabeth's husband on the death of her uncle, Sir Walter Herbert.The addition of Herbert's estate made Somerset the most powerful landowner in South Wales.He had married for a second time by 1511, and was made Earl of Worcester in 1514. [SEP] Knowledge 2: Charles Somerset, 1st Earl of Worcester
Charles Somerset, 1st Earl of Worcester, (c. 146015 March 1526) was an English nobleman and politician.He was the legitimised bastard son of Henry Beaufort, 3rd Duke of Somerset by his mistress Joan Hill.
Knowledge 1: Elizabeth Somerset, Baroness Herbert
Elizabeth Herbert, 3rd Baroness Herbert (c. 1476 – 27 August 1507) was the sole heir and daughter of William Herbert, 2nd Earl of Pembroke, and his first wife, Mary Woodville.Her father died on 16 July 1491, and she inherited extensive lands in Wales.As her father had no sons, she succeeded to his barony, but could not succeed to the earldom, which was restricted to the male line.She was made a ward of King Henry VII of England, and married Charles Somerset, 1st Earl of Worcester on 2 June 1492.Their only son, Henry, was born in around 1496.In 1504, Somerset was created Baron Herbert.Elizabeth died on 27 August 1507, and was buried in St George's Chapel, Windsor Castle.The following month, further estates, including the lease of Caldicot Castle, devolved on Elizabeth's husband on the death of her uncle, Sir Walter Herbert.The addition of Herbert's estate made Somerset the most powerful landowner in South Wales.He had married for a second time by 1511, and was made Earl of Worcester in 1514. [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: Charles Somerset, 1st Earl of Worcester
Charles Somerset, 1st Earl of Worcester, (c. 146015 March 1526) was an English nobleman and politician.He was the legitimised bastard son of Henry Beaufort, 3rd Duke of Somerset by his mistress Joan Hill. [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.

Answer: Henry Beaufort