Morgan Vanderbilt, Thelma Furness, Viscountess Furness, and Harry Hays Morgan Jr. Henrietta Thaw (1891–1942), who married Lawrence Slade, an official of the New York Trust Company in Paris. William Thaw II (1893–1934), who flew with the Lafayette Escadrille, who married Marjorie Everts. Alexander Blair Thaw (1898–1918), who was killed while serving in the American flying forces in August 1918. His wife died at their home in Paris in November 1931. A month after his wife's death, he sold much of the art collection she had acquired over many years. Thaw died at his home in Morewood Place in Pittsburgh on August 20, 1933. He was buried in Allegheny Cemetery. References External links 1859 births 1933 deaths Benjamin Sr. University of Pittsburgh alumni Businesspeople from Pittsburgh Burials at Allegheny Cemetery