Question: What was the name of the daughter of the only sitting house member elected president that married the private secretary Joseph Stanley Brown?

<P0-S0> James Abram Garfield (November 19, 1831 – September 19, 1881) was the 20th President of the United States, serving from March 4, 1881, until his assassination later that year. <P0-S1>  Garfield had served nine terms in the House of Representatives, and had been elected to the Senate before his candidacy for the White House, though he declined the Senate seat once he was elected President. <P0-S2>  He is the only sitting House member to be elected president. <SEP> <P1-S0>  Davidson and his wife Mary, also a graduate of Eureka, were married in 1918. <P1-S1>  Davidson was a director of the Colorado State Historical Society, the Modern Languages Association, the American Folklore Society, and the American Dialect Society. <P1-S2>  His course topics ranged from studies of Shakespeare and other English literature, to folklore in the West. <P1-S3>  Levette Davidson died May 14, 1957. <P1-S4>  He was a charter member of the Denver Posse of the Westerners, an organization devoted to western folklore. <P1-S5>  He began teaching news writing and eventually founded the journalism department at the University as well as the board of publications and the press club. <P1-S6>  He chose teaching and was awarded his B.A. from Eureka in 1915. <P1-S7>  He arrived in Denver later that year and began teaching at the University of Denver. <P1-S8>  Because his grand uncle was past-President of Eureka College, a Christian seminary, Davidson was "reared in the school's shadow" with the option of becoming "either a teacher or a preacher." <P1-S9>  In 1917 he earned his M.A. in social science and history at Harvard University. <P1-S10>  He was born in Eureka, Illinois May 16, 1894, one of four children. <P1-S11>  In spare moments, Davidson conducted research, wrote outlines for plays, and authored a large number of articles. <P1-S12>  Once in Denver, he realized that Western literature and folklore would be his life work. <P1-S13> Levette J. Davidson was a nationally acclaimed expert in folklore, especially that of Colorado and the West. <P1-S14>  Davidson taught at the University of Denver until his death in 1957. <SEP> <P2-S0> Baroness Sophie Mannerheim (1863-1928) is a famous nurse known as pioneer of modern nursing in Finland. <P2-S1>  She was daughter of a count and sister of a former Finnish President, marshal Carl Gustaf Emil Mannerheim. <P2-S2>  Her career started as a bank employee for 6 years until she got married in 1896. <P2-S3>  After her divorce in 1902 she was trained in nursing at the Nightingale School at St Thomas' Hospital in London. <P2-S4>  Returning home she was appointed as head nurse of Helsinki Surgical Hospital and later elected President of the Finnish Nurses' Association, a position she had for 24 years. <P2-S5>  As a result of her international involvement she was also elected President of the International Council of Nurses (ICN). <P2-S6>  Sophie Mannerheim was, together with Dr Arvo Ylppö, founder of the Children's Castle (Lastenlinna) hospital in Helsinki as well as the . <SEP> <P3-S0> Joseph Stanley Brown served as private secretary to the twentieth President of the United States, James A. Garfield. <P3-S1>  He would completely devote himself to Garfield, as seen when Garfield asked "What can I do for you?" <P3-S2>  at their first meeting, prompting Brown to respond, " “It’s not what you can do for me, but what I can do for you, sir. ” <P3-S3>  Brown would serve as Garfield's secretary during his brief presidency, controlling the office-seekers that ran rampant due to the spoils system, which Garfield's vice president Chester Arthur would eventually reform. <P3-S4>  He married President Garfield's daughter Mary "Mollie" Garfield in 1888.