premise: Jeb Bush's parent is Barbara Bush.
hypothesis: Barbara Bush . She is the mother of George W. Bush , the 43rd President , and Jeb Bush , the 43rd Governor of Florida . The Bush family soon moved to Midland , Texas , where their second son , Jeb was born in , on February 11 , 1953 ; as George Bush entered political life , she raised their children . Jeb Bush . Bush , who grew up in Houston , is the second son of former President George H. W. Bush and former First Lady Barbara Bush , and a younger brother of former President George W. Bush .