See also

• John DUFF's parents: William DUFF (1794- ) and Mary SCOBIE (1795- )
• John DUFF's siblings: William DUFF (1816-1869), Alexander DUFF (1822- ), Walter DUFF (1824- ), Alexander Bell DUFF (1826- ), Margaret DUFF (1829-1860), David DUFF (1832- ), Thomas DUFF (1832- ) and James DUFF (1818- )