Francis Blackwell Forbes was born 11 August 1839 in New York, United States to John Murray Forbes (1807-1885) and Anne Howell (c1807-1849) and died 2 May 1908 Boston, Suffolk County, Massachusetts of unspecified causes. He married Isabel Clark (c1846-1931) 8 May 1867 in New York City, New York, United States.
Children
| Name | Birth | Death | Joined with |
| Ethel A Forbes (1872-) | |||
| Evelyn Forbes (1873-) | |||
| Francis Murray Forbes (c1874-) | |||
| Charles Stewart Forbes (1877-) | |||
| James Grant Forbes (1879-1955) | 22 October 1879 Shanghai, China | 24 April 1955 Paris, France | Margaret Tyndal Winthrop (1880-1970) |
Footnotes (including sources)
| ‡ General |
| ₪ Wedding |
| ¶ Death |
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