Complex sentence: It was created in 1922 for Conservative politician Arthur Balfour, Prime Minister of the United Kingdom from 1902 to 1905 and Foreign Secretary from 1916 to 1919.
Split into simpler sentences: It was created in 1922 for the prominent Conservative politician Arthur Balfour. He was Prime Minister of the United Kingdom from 1902 to 1905 and Foreign Secretary from 1916 to 1919.