Geoffrey G. Butler is the uncle and mentor of a man who was a prominent what?
Geoffrey G. Butler Sir George Geoffrey Gilbert Butler (15 August 1887 - 2 May 1929) was an English historian, academic and politician who served as a Member of Parliament for Cambridge University, 1923–1929. He was uncle of and mentor to Rab Butler, and was an early sponsor of Liddell Hart, a former student who would upon the senior Butler's death that 'I have never had a better friend, in every sense of the word’. An avid Conservative, he was a significant figure in the intellectual and political history of his party between the World Wars. In April–May 1917 he was a member of the Balfour Mission, intended to promote cooperation between the US and UK during World War I.
Marty Butler Martin J. "Marty" Butler (April 18, 1924 – December 1, 1998) was an American politician and businessman.