- JEREMY MACDUFF BRETTELL- Born July 1961 - AUDAVLEN HOUSE AULDHILL ROAD, BRIDGEND, LINLITHGOW, WEST LOTHIAN, SCOTLAND, EH49 6NH 
- JAMES ALEXANDER MACDUFF- Born June 1958 - 20 TURMER COTTAGE, TURMER, SOMERLEY, RINGWOOD, HAMPSHIRE, BH24 3PW 
- KATHRYN ELIZABETH MACDUFF- HIGH STREET HIGH LITTLETON, BRISTOL, UNITED KINGDOM, BS39 6HP 
- ROBERT DUNCAN- Born June 1946 - 21 CITY SQUARE, DUNDEE, SCOTLAND, DD1 3BY 
- ROBERT DUNCAN- Born October 1931 - 26 HEATHFIELD PARK, MIDHURST, WEST SUSSEX, GU29 9HN 
- Robert DUNCAN- Born October 1975 - 19 College Avenue, Bangor, Co Down, Northern Ireland, BT20 5HJ 
- Robert DUNCAN- Born May 1967 - Langal ., Acharacle, Scotland, PH36 4JX 
- ROBERT DUNCAN- Born February 1949 - 9 LAVEROCKBANK CRESCENT, EDINBURGH, SCOTLAND, EH5 3BR 
- Robert DUNCAN- Unit G6 The Granary Business Centre, Coal Road, Cupar, Fife, KY15 5YQ 
- Robert DUNCAN- 5 Blackwood Court, Pitreavie Castle, Dunfermline, Scotland, KY11 8TF 
- DUNCAN AERO (2013) LIMITEDActive - Proposal to Strike off- NI615676 - Incorporated on 27 November 2012 
- ROBERT DUNCAN- 11 QUEENS ROAD, BRENTWOOD, ESSEX, CM14 4HE 
- ROBERT DUNCAN- 30 UPPAT PLACE, BRORA, SUTHERLAND, UNITED KINGDOM, KW9 6PW 
- ROBERT DUNCAN- Born April 1950 - 11 QUEENS ROAD, BRENTWOOD, ESSEX, ENGLAND, CM14 4HE 
- ROBERT DUNCAN- Born August 1917 - BRAEVIEW, ARRAT, BRECHIN, ANGUS 
- ROBERT DUNCAN- Born February 1979 - 89 PALMERSTON ROAD, BUCKHURST HILL, ESSEX, ENGLAND, IG9 5NH 
- ROBERT DUNCAN- 10 GREERIDGE PARK, BANGOR, CO DOWN, UNITED KINGDOM, BT19 6AN 
- ROBERT DUNCAN- Born July 1979 - 27 ROSEHILL DRIVE, ABERDEEN, SCOTLAND, AB24 4JB 
- ROBERT DUNCAN- Born January 1950 - 26 YORK STREET MAYFAIR, YORK STREET, LONDON, ENGLAND, W1U 6PZ 
- Robert DUNCAN- Born March 1958 - 4385 09755940 - Companies House Default Address, Cardiff, CF14 8LH