Basil Brooke, 1st Viscount Brookeborough, KG

Born on the Brooke family estate at Colebrooke, County Fermanagh, on 9 June 1888, he became Sir Basil in 1907 when he inherited the baronetcy on the death of his father.

Brooke served in the Army in the First World War with 10th Royal Hussars, earning the Military Cross and Croix de Guerre. He left the Army in 1920 and returned to Colebrooke to farm his estates.

Basil Stanlake Brooke, 1st Viscount Brookeborough, KG, CBE, MC, PC (NI) (9 June 1888 – 18 August 1973), was an Ulster Unionist Party (UUP) politician who became the third Prime Minister of Northern Ireland in May 1943, holding office until March 1963.

for full details and family connections: https://en.wikipedia.org/wiki/Basil_Brooke,_1st_Viscount_Brookeborough