Jonathan S. H. A. Kane1
Hon. John Vincent Weir1 
Hon. John Vincent Weir usually went by his middle name of Vincent.1 He was educated at Malvern College, Malvern, Worcestershire, EnglandG.1 He was chairman of Andrew Weir Group.1 He lived in 2003 at 85 Whitehall Court, London, EnglandG.1
David Charles Irvine, 26th of Drum1 
He was educated at Radley House, Radley, Berkshire, EnglandG.1 He held the position of Chief of the Name and Arms of Irvine from on 25 November 1992.1 He was recognised by Lord Lyon King of Arms, and matriculated his arms at the Lyons Court on 25 November 1992.1 He was registered as a Associate, Chartered Institute of Bankers (A.C.I.B.)1 He lived in 2003 at Holly Leaf Cottage, Inchmarlo, Banchory, Aberdeenshire, ScotlandG.1
Children of David Charles Irvine, 26th of Drum and Carolyn Colbeck
- Hugh Richard Irvine, 27th of Drum+2 b. 26 Jun 1966
- Charles William Irvine2 b. 4 Dec 1967
- Katherine Margaret Irvine2 b. 1 May 1972
Captain William R. Colbeck1
He was appointed Fellow, Institute of Navigation (F.I.N.)1 He gained the rank of Captain in the Royal Navy Reserve.3 He was appointed Fellow, Royal Institution of Chartered Surveyors (F.R.I.C.S.)1 He lived at Birkenhead Park, Cheshire, England.1
Children of Captain William R. Colbeck and Phyllis G. Long
- Jennifer Ann Colbeck+3
- Carolyn Colbeck+3 b. 1939
Carolyn Colbeck1
From 3 October 1964, her married name became Irvine.
Children of Carolyn Colbeck and David Charles Irvine, 26th of Drum
- Hugh Richard Irvine, 27th of Drum+3 b. 26 Jun 1966
- Charles William Irvine3 b. 4 Dec 1967
- Katherine Margaret Irvine3 b. 1 May 1972
Hugh Richard Irvine, 27th of Drum1
He graduated from Aberdeen University, Aberdeen, Aberdeenshire, Scotland, with a Bachelor of Laws (LL.B.)1 He was a practising solicitor.1 He graduated from McGill University, Montreal, Quebec, CanadaG, with a Master of Laws (LL.M.)1
Child of Hugh Richard Irvine, 27th of Drum and Ruth Ann Davis
- Thomas Alexander Irvine of Drum, younger2 b. 2 Dec 1992
Children of Hugh Richard Irvine, 27th of Drum and Jeya Lakchumy Ramakrishnan
- Carolyn Mhairi Amrita Irvine2 b. 14 Aug 1997
- Georgina Phyllis Thulasi Irvine2 b. 20 Jan 1999
- Alexander David Bishmadev Irvine2 b. 27 Nov 2000
Ruth Ann Davis1
From 3 October 1989, her married name became Irvine.
Child of Ruth Ann Davis and Hugh Richard Irvine, 27th of Drum
- Thomas Alexander Irvine of Drum, younger2 b. 2 Dec 1992
Thomas Alexander Irvine of Drum, younger1
Jeya Lakchumy Ramakrishnan1
She graduated with a Master of Laws (LL.M.)1 She graduated with a Bachelor of Laws (LL.B.)1 From 4 August 2000, her married name became Irvine.1
Children of Jeya Lakchumy Ramakrishnan and Hugh Richard Irvine, 27th of Drum
- Carolyn Mhairi Amrita Irvine2 b. 14 Aug 1997
- Georgina Phyllis Thulasi Irvine2 b. 20 Jan 1999
- Alexander David Bishmadev Irvine2 b. 27 Nov 2000
Alexander David Bishmadev Irvine1
