George W. Bush's brother is a private citizen.
Barbara Bush ( née Pierce ; born June 8 , 1925 ) is the wife of George H. W. Bush , the 41st President of the United States , and served as First Lady of the United States from 1989 to 1993 . George W. Bush . His brother , Jeb Bush , a former Governor of Florida , was a candidate for the Republican presidential nomination in the 2016 presidential election . His paternal grandfather , Prescott Bush , was a United States Senator from Connecticut .