Robby Arbuthnot was born 25 July 1889 to Robert George Arbuthnot (1843-1890) and (Helen) Mary Muir (1862-1926) and died 10 January 1962 of unspecified causes. He married Mary (Molly) Coghill (-1986) 3 July 1915 .
Children
| Name | Birth | Death | Joined with |
| (Mary) Juliet Gough Arbuthnot (1917) | |||
| Elizabeth (Betsy) Christian Arbuthnot (1918-1982) | |||
| Andrew Robert Coghill Arbuthnot (1926-2010) | 14 January 1926 | 11 December 2010 | Audrey Eileen Johnson (c1926) |
Footnotes (including sources)
| ‡ General |