Cornelia Van Rensselaer Robb (b. 1874)
 Louisa Robb (1877–1960), who married Goodhue Livingston (1867–1951), a prominent architect, in 1896. Harriet Bayard Robb (1881–1910), who died, unmarried, aged 29 at her father's home. In 1892, he moved into a house built for him by Stanford White, at 23 Park Avenue. Afterwards, from 1924 to 1977, the house was the location of the Advertising Club. Robb also had a house at North East Harbor in Maine. Robb died at his residence, 23 Park Avenue in New York City, from a complication of diseases. Descendants
Through his son Nathaniel, he was the grandfather of Janet Henderson Robb (b.
Cornelia Van Rensselaer Robb (b. 1874)
 Louisa Robb (1877–1960), who married Goodhue Livingston (1867–1951), a prominent architect, in 1896. Harriet Bayard Robb (1881–1910), who died, unmarried, aged 29 at her father's home. In 1892, they moved into a house built for them by Stanford White, at 23 Park Avenue. Afterwards, from 1924 to 1977, the house was the location of the Advertising Club. Robb also had a house at North East Harbor in Maine. Robb died at their residence, 23 Park Avenue in New York City, from a complication of diseases. Descendants
 Through their son Nathaniel, they were the grandparent of Janet Henderson Robb (b.