Their eldest son Shane succeeded his grandfather in the barony in 1928 while their third son Terence O'Neill was Prime Minister of Northern Ireland between 1963 and 1969.
James Chichester-Clark, a direct descendant of the Dawsons, who was the Prime Minister of Northern Ireland from 1969 to 1971.
Working alongside new Prime Minister of Northern Ireland Terence O'Neill, he had less influence than his predecessors, although he continued to act as Secretary to the Whip's Office.
He was the father of Field Marshal Sir Alan Brooke, 1st Viscount Alanbrooke, and grandfather of Sir Basil Brooke, 1st Viscount Brookeborough, third Prime Minister of Northern Ireland
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4 July - James Craig refuses to attend a peace conference in Dublin because the invitation by President Éamon de Valera was addressed to him personally instead of to the Prime Minister of Northern Ireland.
10 March - The Prime Minister of Northern Ireland, James Craig, announces the impending dissolution of the parliament.
The first Government or Executive Committee of the Privy Council of Northern Ireland was led by the Prime Minister James Craig, who ruled between 7 June 1921 and 24 November 1940.
When Prime Minister of Northern Ireland James Craig attempted to ban all marches from 18 June, Davison led the objections, and the ban was lifted within days.
It was created in 1952 for the Ulster Unionist politician and Prime Minister of Northern Ireland, Captain The Rt. Hon. Sir Basil Brooke, 5th Bt., P.C. (N.I.), M.P..
Basil Brooke, 1st Viscount Brookeborough (1888–1973), former Prime Minister of Northern Ireland
James Craig, 1st Viscount Craigavon (1871–1940), British politician and Prime Minister of Northern Ireland