[2][3] After his father's death, his mother lived at her New York home, 11 Washington Square North (built by her grandfather Thomas Suffern in 1833, and host to President Ulysses S. Grant in her childhood) and later at 1192 Park Avenue.
[4] His sister, Laura Suffern Livingston,[5] married Howland Shippen Davis (executive vice president of the New York Stock Exchange),[6] in 1914.
[7][8] They owned the "Teviot" estate (built in 1843 by Eugene Livingston) in Tivoli,[5] which their son Howland later sold to Jann Wenner, publisher of Rolling Stone magazine.
[27] On February 23, 1922, Livingston was married to Alice Delafield Dean (1900–1975) by Bishop William T. Manning at St. James Church in New York City.
[22] Before their divorce in 1932, they lived at 1192 Park Avenue where his wife hosted large parties,[30] and were the parents of one daughter, Susan P. Livingston (b.
1926)[23] In January 1945, Robert, his sister, and their cousin Goodhue Livingston Jr., sold a piece of property located northwest corner of Sixth Avenue and 53rd Street in Manhattan.