"Historians don't live with presidents. Daughters do."
Dorothy Bush Koch
George H.W. Bush greets visitors at Barbara Bush viewing
George W Bush's niece sentenced to jail for violating drugs programme
Dorothy Walker "Doro" Bush Koch is an American author and philanthropist. She is the sixth child and only living daughter of the late 41st President of the United States, George H. W. Bush, and former First Lady Barbara Bush.