Duncan Alexander Eliott Mackintosh British military personnel (1884–1966) Parents Alexander Mackintosh Annie Berkeley Children Kenneth Mackintosh, 32nd Chief of Clan Chatttan Doreen Ellen Mackintosh Robert Duncan Mackintosh Phyllis Isobel Mackintosh Siblings George Alistair Rule MacKintosh Eric Vincent MacKintosh Aeneas Mackintosh Charles Berkeley MacKintosh Isobel Annie MacKintosh Partners Ellen Primrose Smith