Question: Who is the father-in-law of Empress Yang (Lü Zuan'S Wife)?

Knowledge 1: Empress Yang (Lü Zuan's wife)
Empress Yang (楊皇后, personal name unknown) (died 401), formally Empress Mu (穆皇后, literally "the solemn empress"), was an empress of the Chinese/Di state Later Liang.Her husband was Lü Zuan (Emperor Ling).She was the daughter of the Later Liang official Yang Huan (楊桓), who was likely ethnically Han, and was described to be very beautiful.It is not known when she married Lü Zuan.When he was assassinated by his cousin Lü Chao (呂超) in 401, she initially tried to organize the palace guards to resist Lü Chao and his brother Lü Long, but after the official Du Shang (杜尚) urged them to stop, they deserted her.Lü Chao's subordinate, the general Wei Yiduo (魏益多) then entered the palace and cut off the head from Lü Zuan's body.She commented, "When a man is dead, he is like dirt and stones and no longer has any feelings.Why do you wish to destroy his form as well?"Wei then cursed at her.Lü Chao demanded that she turn over the imperial seal, but she responded that she had already destroyed it.She subsequently left the palace, and as she was leaving, Lü Chao, believing that she might leave with treasures, tried to intercept her, and she told Lü Chao: "You and your brother unrighteously slaughtered your own clansman.I will soon be dead, and why would I want treasures?"Lü Long subsequently took the throne, and Lü Chao became his prime minister.Lü Chao wanted to marry Empress Yang because of her beauty, and he warned Yang Huan, "If the empress committed suicide, great disasters will come to your household."Yang Huan told her of the threat, but she responded, "You sold me to the Di for wealth and power.It is enough to sell me once; how can you sell me twice?"She then committed suicide.Fearful that Lü Chao might carry out his threat, Yang Huan fled to Southern Liang's prince Tufa Lilugu. [SEP] Knowledge 2: Lü Zuan
Lü Zuan (died 401), courtesy name Yongxu (永緒),formally Emperor Ling of (Later) Liang ((後)涼靈帝), was an emperor of the Chinese/Di state Later Liang.He was the oldest son of the founding emperor Lü Guang (Emperor Yiwu), but was not Lü Guang's rightful heir, as he was not born of Lü Guang's wife Princess Shi.After Lü Guang died around new year 400, however, he seized the throne from his younger brother Lü Shao in a coup.Lü Zuan was considered a capable general tactically, but not skilled in general strategy, and during his reign Later Liang's strength continued to be sapped, as it was during the late reign of Lü Guang, by attacks of rivals Northern Liang and Southern Liang.Despite this, Lü Zuan continued to occupy himself with hunting and other unimportant matters.In 401, he was assassinated by his cousin Lü Chao (呂超), who then supported his own older brother Lü Long as emperor.
Knowledge 1: Empress Yang (Lü Zuan's wife)
Empress Yang (楊皇后, personal name unknown) (died 401), formally Empress Mu (穆皇后, literally "the solemn empress"), was an empress of the Chinese/Di state Later Liang.Her husband was Lü Zuan (Emperor Ling).She was the daughter of the Later Liang official Yang Huan (楊桓), who was likely ethnically Han, and was described to be very beautiful.It is not known when she married Lü Zuan.When he was assassinated by his cousin Lü Chao (呂超) in 401, she initially tried to organize the palace guards to resist Lü Chao and his brother Lü Long, but after the official Du Shang (杜尚) urged them to stop, they deserted her.Lü Chao's subordinate, the general Wei Yiduo (魏益多) then entered the palace and cut off the head from Lü Zuan's body.She commented, "When a man is dead, he is like dirt and stones and no longer has any feelings.Why do you wish to destroy his form as well?"Wei then cursed at her.Lü Chao demanded that she turn over the imperial seal, but she responded that she had already destroyed it.She subsequently left the palace, and as she was leaving, Lü Chao, believing that she might leave with treasures, tried to intercept her, and she told Lü Chao: "You and your brother unrighteously slaughtered your own clansman.I will soon be dead, and why would I want treasures?"Lü Long subsequently took the throne, and Lü Chao became his prime minister.Lü Chao wanted to marry Empress Yang because of her beauty, and he warned Yang Huan, "If the empress committed suicide, great disasters will come to your household."Yang Huan told her of the threat, but she responded, "You sold me to the Di for wealth and power.It is enough to sell me once; how can you sell me twice?"She then committed suicide.Fearful that Lü Chao might carry out his threat, Yang Huan fled to Southern Liang's prince Tufa Lilugu. [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: Empress Yang (Lü Zuan's wife)
Empress Yang (楊皇后, personal name unknown) (died 401), formally Empress Mu (穆皇后, literally "the solemn empress"), was an empress of the Chinese/Di state Later Liang.Her husband was Lü Zuan (Emperor Ling).She was the daughter of the Later Liang official Yang Huan (楊桓), who was likely ethnically Han, and was described to be very beautiful.It is not known when she married Lü Zuan.When he was assassinated by his cousin Lü Chao (呂超) in 401, she initially tried to organize the palace guards to resist Lü Chao and his brother Lü Long, but after the official Du Shang (杜尚) urged them to stop, they deserted her.Lü Chao's subordinate, the general Wei Yiduo (魏益多) then entered the palace and cut off the head from Lü Zuan's body.She commented, "When a man is dead, he is like dirt and stones and no longer has any feelings.Why do you wish to destroy his form as well?"Wei then cursed at her.Lü Chao demanded that she turn over the imperial seal, but she responded that she had already destroyed it.She subsequently left the palace, and as she was leaving, Lü Chao, believing that she might leave with treasures, tried to intercept her, and she told Lü Chao: "You and your brother unrighteously slaughtered your own clansman.I will soon be dead, and why would I want treasures?"Lü Long subsequently took the throne, and Lü Chao became his prime minister.Lü Chao wanted to marry Empress Yang because of her beauty, and he warned Yang Huan, "If the empress committed suicide, great disasters will come to your household."Yang Huan told her of the threat, but she responded, "You sold me to the Di for wealth and power.It is enough to sell me once; how can you sell me twice?"She then committed suicide.Fearful that Lü Chao might carry out his threat, Yang Huan fled to Southern Liang's prince Tufa Lilugu. [SEP] Knowledge 2: Empress Yang Zhi
Empress Yang Zhi( 楊芷)( 259–292), courtesy name Jilan( 季蘭), nickname Nanyin( 男胤), formally Empress Wudao( 武悼皇后, literally" the martial and fearful empress") was an empress of Jin Dynasty( 265–420).She was Emperor Wu's second wife and cousin to his first wife, Empress Yang Yan.

Answer: Lü Guang