Sir George Anthony Clark, 3rd Bt.1 
He was educated at Canford School, Wimborne, Dorset, EnglandG.1 He held the office of Member of Parliament (M.P.) for Belfast Dock between 1938 and 1945.1 He gained the rank of Captain in the Black Watch.1 He fought in the Second World War.1 He succeeded as the 3rd Baronet Clark, of Dunlambert, Belfast [U.K., 1917] on 10 November 1950.1 He held the office of Senator [Northern Ireland] between 1951 and 1969.1 He held the office of High Sheriff of County Antrim in 1954.1 He was Grand Master of the Grand Orange Lodge of Ireland in 1957.1 He was Imperial Grand President of the Imperial Grand Orange Council between 1958 and 1961.1 He held the office of Deputy Lieutenant (D.L.) of the County of the City of Belfast in 1961.1 He was Imperial Grand Master of the Imperial Grand Orange Council of the World in 1961.1
Child of Sir George Anthony Clark, 3rd Bt. and Nancy Catherine Clark
- Elizabeth Frances Catherine Clark+2 b. 22 Mar 1960
George Wallis Newport Clark1 
He was educated at St. Bees School, St. Bees, Cumbria, EnglandG.1 He held the office of Deputy Lieutenant (D.L.) of County Derry.4 He was member of the Council Irish Linen Trade Association.2 He was director of William Clark & Sons Ltd.2 He lived at Carnabane, Upperlands, County Londonderry, IrelandG.2
Children of George Wallis Newport Clark and Betty Joan Pelly
- Ann Joan Patricia Clark3 b. 9 May 1925
- Nancy Catherine Clark+4 b. 28 Dec 1927, d. 5 Nov 2016
- Elizabeth Clark+3 b. 2 Jun 1931
Children of George Wallis Newport Clark and Geraldine Ann MacCausland
- Christopher George Clark3 b. 14 Oct 1947
- Joanna Elizabeth Frances Clark3 b. 20 Nov 1954
Nancy Catherine Clark1 
From 15 February 1949, her married name became Clarke. She lived in 2003 at Tullykilty, 44 Ballyknockan Road, Ballygowan, County Down, IrelandG.1
Child of Nancy Catherine Clark and Sir George Anthony Clark, 3rd Bt.
- Elizabeth Frances Catherine Clark+2 b. 22 Mar 1960
Elizabeth Frances Catherine Clark1
From 1981, her married name became Reid. She lived in 2003 at Overbury Hall, Layham, Suffolk, EnglandG.1
Children of Elizabeth Frances Catherine Clark and Nicholas James Reid
- Henry George Donald Reid2 b. 1984
- Georgina Charlotte Elizabeth Reid2 b. 1987
Nicholas James Reid1
He gained the rank of officer in the Royal Green Jackets.1
Children of Nicholas James Reid and Elizabeth Frances Catherine Clark
- Henry George Donald Reid2 b. 1984
- Georgina Charlotte Elizabeth Reid2 b. 1987
Henry George Donald Reid1
Georgina Charlotte Elizabeth Reid1
Sir Colin Douglas Clark, 4th Bt.1 
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He fought in the Second World War, where he was mentioned in despatches.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, in 1939 with a Bachelor of Arts (B.A.)1 He gained the rank of Major in the Royal Engineers.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, in 1944 with a Master of Arts (M.A.)1 He was awarded the Military Cross (M.C.)1 He was managing director of G. Heyn and Sons Ltd of Belfast.1 He was a director of Cladox Ltd, The Ulster Steamship Company Ltd, The North Continental Shipping Company Ltd, and the Mountain Steamship Company Ltd.1 He succeeded as the 4th Baronet Clark, of Dunlambert, Belfast [U.K., 1917] in February 1991.1
Children of Sir Colin Douglas Clark, 4th Bt. and Margaret Coleman Spinks
- Sir Jonathan George Clark, 5th Bt.+2 b. 9 Oct 1947
- Sarah Louise Clark+2 b. 18 Mar 1949
- Gillian Margaret Anne Clark2 b. 15 Nov 1957
Peter Aubrey Clark1
He was educated at Campbell College, Belfast, County Antrim, IrelandG.1 He lived in 2003 at Cillenamara, Ringhaddy, Killinchy, County Down, IrelandG.1
Children of Peter Aubrey Clark and Rosemary Frazer Mackie
- Richard Henry Frazer Clark+2 b. 28 Oct 1952
- Michael Peter George Clark+2 b. 14 Mar 1955
Thomas Frazer Mackie1
Child of Thomas Frazer Mackie
