Question: The prominent businessman and politician in the early-20th-century Republic of China T. V. Soong had which brother-in-law who was born in 1887 and served as the leader of the Republic of China?
Context: Robert Crouch Kinney (July 4, 1813 – March 2, 1875) was an American businessman and politician in what became the state of Oregon.  A native of Illinois, he helped found Muscatine, Iowa, before crossing the Oregon Trail and settling in what became Oregon.  In Oregon he was a prominent businessman in the milling business and served in the Oregon Territorial Legislature before being a member of the Oregon Constitutional Convention. Robert B. Sanderson (1825 – June 18, 1887) was an American businessman, farmer, rancher and politician from Columbia County, Wisconsin who represented part or all of Columbia County in the Wisconsin State Assembly and the Wisconsin State Senate at various times in the 1860s, before moving to Texas and becoming a prominent businessman in Tom Green County. Soong Mei-ling or Soong May-ling (; March 5, 1898 – October 23, 2003), also known as Madame Chiang Kai-shek or Madame Chiang, was a Chinese political figure who was First Lady of the Republic of China (ROC), the wife of Generalissimo and President Chiang Kai-shek.  Soong played a prominent role in the politics of the Republic of China and was the sister-in-law of Sun Yat-sen, the founder and the leader of the Republic of China.  She was active in the civic life of her country and held many honorary and active positions, including chairman of Fu Jen Catholic University.  During the Second Sino-Japanese War she rallied her people against the Japanese invasion and in 1942 conducted a speaking tour of the United States to gain support.  She was also the youngest and the last surviving of the three Soong sisters, and the only first lady during World War II (aside from Queen Elizabeth, 1900-2002) who lived into the 21st century.  Her life extended into three centuries. Zhou Zhengyi (; born 23 April 1961, in Yangpu District, Shanghai; Known in Hong Kong as Chau Ching Ngai) is a prominent businessman and property developer from Shanghai, China.  Zhou profited handsomely from Shanghai's real estate boom in the late 1990s to early 2000s, and was once described as the 11th richest man in China, with personal assets totalling US$320 million.  In November 2007, Zhou was sentenced to sixteen years in prison for stock manipulation and fraud.  He is on the "Most Wanted" list of the Independent Commission Against Corruption in Hong Kong. Soong Tse-ven or Soong Tzu-wen (; December 4, 1894 – April 26, 1971) was a prominent businessman and politician in the early-20th-century Republic of China.  His father was Charlie Soong and his siblings were the Soong sisters.  His Christian name was Paul, but he is generally known in English as T. V. Soong.  As brother to the three Soong sisters, Soong's brothers-in-law were Dr. Sun Yat-sen, Generalissimo Chiang Kai-shek, and financier H. H. Kung. Soong Ching-ling (27 January 189329 May 1981) was a Chinese political figure.  As the second wife of Sun Yat-sen, one of the leaders of the 1911 revolution that established the Republic of China, she was often referred to as Madame Sun Yat-sen.  She was a member of the Soong family and, together with her siblings, played a prominent role in China's politics prior to 1949. The Beth Aharon Synagogue (Hebrew for "House of Aharon") was a Sephardi synagogue in Shanghai, China, built in 1927 by the prominent businessman Silas Aaron Hardoon in memory of his father Aaron.  During World War II, the synagogue provided refuge for the Mirrer yeshiva of Poland, the only Eastern European yeshiva to survive the Holocaust intact.  After the establishment of the People's Republic of China, it was used by the "Wenhui Bao" newspaper and as a factory during the Cultural Revolution.  It was demolished in 1985. Charles Jones "Charlie" Soong (; February 1863 – May 3, 1918), courtesy name Yaoru (耀如 "Yàorú", hence his alternate name: Soong Yao-ju), was a Chinese businessman who first achieved prominence as a Methodist missionary in Shanghai.  He was a close friend of Sun Yat-sen and a key player in the events that led to the Xinhai Revolution in 1911.  His children became some of the most prominent people in the history of the People's Republic of China and the Republic of China. The Peter and Mary Smith House, also known as the Hopkins House and the Otto House, is a historic dwelling located in Lake City, Iowa, United States.  Peter Smith was a pioneer to this town and a prominent businessman.  He was involved in retail, banking, and real estate.  Smith and his first wife Sarah settled in Calhoun County, Iowa from Cass County, Michigan around 1855, and bought land near the present Smith Farmhouse.  He served as the first judge in the county when Lake City was the county seat.  Sarah died in 1875 while they were living in Glidden, Iowa.  After the arrival of the railroad in 1881, Peter and his second wife Mary moved to Lake City.  They built this two-story, brick, L-shaped house in 1887.  While it does not conform to any one style, it is primarily a combination of the Italianate and the Gothic Revival styles.  The Italianate influence is found in the bracketed cornice, segmentally arched lintels, wooden cutout designs over the windows, a front bay window, and the hipped roof.  The influences of the Gothic Revival style are found in the bargeboard and the roof line.  The house was listed on the National Register of Historic Places in 1990. Chiang Kai-shek (October 31, 1887 – April 5, 1975), also romanized as Chiang Chieh-shih and known as Chiang Chungcheng, was a Chinese statesman, political and military leader who served as the leader of the Republic of China.
Answer: Chiang Kai-shek