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Robert Swan III was born 1 April 1871 in Ross Township, Allegheny County, Pennsylvania, United States to Robert Swan (1838-1872) and Sarah M. Unknown (1842-1896) and died 28 August 1914 Ross Township, Allegheny County, Pennsylvania, United States of unspecified causes. He married Anna Margaret Fairley (1870-1936) .
Siblings
| Name | Birth | Death | Joined with |
| Eleanor (Nellie) Swan (1869-1893) | 1869 United States | 1893 Pennsylvania, United States | David M Alston (1862-1916) |
| Robert Swan (1871-1914) | 1 April 1871 Ross Township, Allegheny County, Pennsylvania, United States | 28 August 1914 Ross Township, Allegheny County, Pennsylvania, United States | Anna Margaret Fairley (1870-1936) |
Son Donald presumably got his middle name in memory of the surname of Robert's sister and her infant child, who had both died much too young.
Children
| Name | Birth | Death | Joined with |
| Donald Alston Swan (1908-1977) | 30 January 1908 | 30 December 1977 | Winnifred H Bennett (1903-1986) |
Residences
Footnotes (including sources)
| ‡ General |
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