 Complete the following phrase:  Norman Reginald McMahon was born on 24 January 1866 and was the youngest son of General Sir Thomas Westropp McMahon, 3rd Baronet. McMahon attended Eton College and the Royal Military College Sandhurst from which he was commissioned as a lieutet in the Royal Fusiliers City of London Regiment on 23 May 1885. He served on the 