Question: Who is the father-in-law of Iynefer Ii?

Knowledge 1: Nefertkau III
Nefertkau III was an Ancient Egyptian princess.She lived during the 4th dynasty.She was possibly a daughter of Meresankh II and Horbaef.If so, she was a granddaughter of King Khufu.Baud has proposed that Nefertkau was a daughter of Khufu instead.Nefertkau has the titles "King's daughter of his body" and "Priestess of Neith" in a scene in the chapel of her tomb.She was married to an official named Iynefer.Nefertkau and Iynefer had a daughter also called Nefertkau and two or three sons.Strudwick has suggested that Iynefer may be a son of Khufu.Depending on the interpretation of the family relationships Nefertkau may have married either her uncle or her brother. [SEP] Knowledge 2: Iynefer II
Iynefer II ("the beautiful one has come"; the name is also spelled as Iy-nefer) was an ancient Egyptian prince, likely a son of Pharaoh Khufu.He was named after his uncle Iynefer I. Iynefer II’s wife was Nefertkau III; she was likely his niece, and they had one son (or two sons) and one daughter, Nefertkau.Both Iynefer and his wife are buried in the mastaba G 7820 at Giza.A large, open eye is characteristic of the decoration of Iynefer II’s mastaba.
Knowledge 1: Iynefer II
Iynefer II ("the beautiful one has come"; the name is also spelled as Iy-nefer) was an ancient Egyptian prince, likely a son of Pharaoh Khufu.He was named after his uncle Iynefer I. Iynefer II’s wife was Nefertkau III; she was likely his niece, and they had one son (or two sons) and one daughter, Nefertkau.Both Iynefer and his wife are buried in the mastaba G 7820 at Giza.A large, open eye is characteristic of the decoration of Iynefer II’s mastaba. [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: Nefertkau III
Nefertkau III was an Ancient Egyptian princess.She lived during the 4th dynasty.She was possibly a daughter of Meresankh II and Horbaef.If so, she was a granddaughter of King Khufu.Baud has proposed that Nefertkau was a daughter of Khufu instead.Nefertkau has the titles "King's daughter of his body" and "Priestess of Neith" in a scene in the chapel of her tomb.She was married to an official named Iynefer.Nefertkau and Iynefer had a daughter also called Nefertkau and two or three sons.Strudwick has suggested that Iynefer may be a son of Khufu.Depending on the interpretation of the family relationships Nefertkau may have married either her uncle or her brother. [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: Horbaef