, with his daughter,
Gloria Vanderbilt In 1903, Reginald married Cathleen Neilson (1885–1927) at Parker Cottage in
Newport, Rhode Island. She was the daughter of
Isabelle Gebhard Neilson, the niece of
Frederick Gebhard (c. 1860–1910), and the great-granddaughter of
Thomas E. Davis, a prominent New York real estate developer. Before their divorce in 1920, the couple had one daughter: They divorced that same year and in 1940, she married for the third and final time to Martin Arostegui, a publisher in Havana, Cuba. On March 6, 1923, he married
Gloria Mercedes Morgan (1904–1965). Together, they were the parents of his second daughter:
Gloria Laura Vanderbilt (1924–2019), the fashion designer. Reginald Claypoole Vanderbilt died from
cirrhosis due to
alcoholism on September 4, 1925, at his country home, Sandy Point Farm, in
Portsmouth, Rhode Island. In his will, he left the vast majority of his estate to his daughters with a residue to his widow, which was not to exceed $1,125,000 and his New York townhouse, located at 12 East
77th Street, and Sandy Point Farm. He is buried in the
Vanderbilt Family Cemetery and Mausoleum in
Staten Island, New York. ==Descendants==