john barclay (c. 1826 – 1 november 1886) of mundoora, perhaps an older brother, skippered "gundagai" 1857–1864. partnership with james king as barclay & king was dissolved in 1864. he was married to margaret (c. 1827 – 5 march 1912), sister of g. b. johnston; they lived at mundoora, south australia.