Question: Who is Empress Xu (Ming Dynasty)'s father-in-law?

Knowledge 1: Empress Xu (Ming dynasty)
Empress Xu (徐皇后) (1362 – July 1407), formally Empress Renxiaowen (仁孝文皇后), was the empress consort to the Yongle Emperor and the third empress of China's Ming dynasty.She was well educated, compiling bibliographies of virtuous women, an activity connected with court politics. [SEP] Knowledge 2: Yongle Emperor
The Yongle Emperor (pronounced , ; 2 May 1360 – 12 August 1424) — personal name Zhu Di(WG: Chu Ti) — was the third Emperor of the Ming dynasty, reigned from 1402 to 1424.Zhu Di was the fourth son of the Hongwu Emperor, the founder of the Ming dynasty.He was originally enfeoffed as the Prince of Yan  in May 1370, with the capital of his princedom at Beiping (modern Beijing).Amid the continuing struggle against the Mongols of the Northern Yuan dynasty, Zhu Di consolidated his own power and eliminated rivals such as the general Lan Yu.He initially accepted his father's appointment of his eldest brother Zhu Biao and then his nephew Zhu Yunwen as crown prince, but when Zhu Yunwen ascended the throne as the Jianwen Emperor and began executing and demoting his powerful uncles, Zhu Di found pretext for rising in rebellion against his nephew.Assisted in large part by eunuchs mistreated by the Hongwu and Jianwen Emperors, who both favored the Confucian scholar-bureaucrats, Zhu Di survived the initial attacks on his princedom and drove south to launch the Jingnan Campaign against the Jianwen Emperor in Nanjing.In 1402, he successfully overthrew his nephew and occupied the imperial capital, Nanjing, after which he was proclaimed Emperor and adopted the era name Yongle, which means "perpetual happiness".Eager to establish his own legitimacy, Zhu Di voided the Jianwen Emperor's reign and established a wide-ranging effort to destroy or falsify records concerning his childhood and rebellion.This included a massive purge of the Confucian scholars in Nanjing and grants of extraordinary extralegal authority to the eunuch secret police.One favorite was Zheng He, who employed his authority to launch major voyages of exploration into the South Pacific and Indian Oceans.The difficulties in Nanjing also led the Yongle Emperor to re-establish Beiping (present-day Beijing) as the new imperial capital.He repaired and reopened the Grand Canal and, between 1406 and 1420, directed the construction of the Forbidden City.He was also responsible for the Porcelain Tower of Nanjing, considered one of the wonders of the world before its destruction by the Taiping rebels in 1856.As part of his continuing attempt to control the Confucian scholar-bureaucrats, the Yongle Emperor also greatly expanded the imperial examination system in place of his father's use of personal recommendation and appointment.These scholars completed the monumental "Yongle Encyclopedia" during his reign.The Yongle Emperor died while personally leading a military campaign against the Mongols.He was buried in the Changling Tomb, the central and largest mausoleum of the Ming tombs located north of Beijing.
Knowledge 1: Empress Xu (Ming dynasty)
Empress Xu (徐皇后) (1362 – July 1407), formally Empress Renxiaowen (仁孝文皇后), was the empress consort to the Yongle Emperor and the third empress of China's Ming dynasty.She was well educated, compiling bibliographies of virtuous women, an activity connected with court politics. [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: Yongle Emperor
The Yongle Emperor (pronounced , ; 2 May 1360 – 12 August 1424) — personal name Zhu Di(WG: Chu Ti) — was the third Emperor of the Ming dynasty, reigned from 1402 to 1424.Zhu Di was the fourth son of the Hongwu Emperor, the founder of the Ming dynasty.He was originally enfeoffed as the Prince of Yan  in May 1370, with the capital of his princedom at Beiping (modern Beijing).Amid the continuing struggle against the Mongols of the Northern Yuan dynasty, Zhu Di consolidated his own power and eliminated rivals such as the general Lan Yu.He initially accepted his father's appointment of his eldest brother Zhu Biao and then his nephew Zhu Yunwen as crown prince, but when Zhu Yunwen ascended the throne as the Jianwen Emperor and began executing and demoting his powerful uncles, Zhu Di found pretext for rising in rebellion against his nephew.Assisted in large part by eunuchs mistreated by the Hongwu and Jianwen Emperors, who both favored the Confucian scholar-bureaucrats, Zhu Di survived the initial attacks on his princedom and drove south to launch the Jingnan Campaign against the Jianwen Emperor in Nanjing.In 1402, he successfully overthrew his nephew and occupied the imperial capital, Nanjing, after which he was proclaimed Emperor and adopted the era name Yongle, which means "perpetual happiness".Eager to establish his own legitimacy, Zhu Di voided the Jianwen Emperor's reign and established a wide-ranging effort to destroy or falsify records concerning his childhood and rebellion.This included a massive purge of the Confucian scholars in Nanjing and grants of extraordinary extralegal authority to the eunuch secret police.One favorite was Zheng He, who employed his authority to launch major voyages of exploration into the South Pacific and Indian Oceans.The difficulties in Nanjing also led the Yongle Emperor to re-establish Beiping (present-day Beijing) as the new imperial capital.He repaired and reopened the Grand Canal and, between 1406 and 1420, directed the construction of the Forbidden City.He was also responsible for the Porcelain Tower of Nanjing, considered one of the wonders of the world before its destruction by the Taiping rebels in 1856.As part of his continuing attempt to control the Confucian scholar-bureaucrats, the Yongle Emperor also greatly expanded the imperial examination system in place of his father's use of personal recommendation and appointment.These scholars completed the monumental "Yongle Encyclopedia" during his reign.The Yongle Emperor died while personally leading a military campaign against the Mongols.He was buried in the Changling Tomb, the central and largest mausoleum of the Ming tombs located north of Beijing. [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: Hongwu