Dorothy Walker "Doro" Bush Koch (born August 18, 1959) 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. Dorothy Walker Bush was born on August 18, 1959, in Harris County, Texas. Her father, George H. W. Bush, was the 41st President of the United States, and her mother, Barbara Bush, was the First Lady. She was named after her paternal grandmother, Dorothy Walker Bush. Her brother, George W. Bush, was the 43rd President of the United States. Her other four siblings are Pauline Robinson "Robin" Bush, who died of leukemia in 1953; former Florida governor Jeb Bush; Neil Bush; and Marvin Bush.[2] Since she was a child, she has spent summers and holidays at the Bush compound, a sprawling estate in Kennebunkport, Maine.
Bush was educated at Miss Porter's School, a private all-girl college-preparatory school in Farmington, Connecticut. In 1975, during a visit to Beijing, she became the first person publicly baptized in the People's Republic of China since its government began discouraging foreign religious practices in 1949. She earned a Bachelor of Arts degree in sociology from Boston College in 1982. In 1982, she married William Heekin LeBlond (b. January 11, 1957). They had two children, Samuel Bush (b. 1984) and Nancy Ellis (b. 1986). They divorced in 1990. In June 1992, she married Robert P. Koch (b. 1960). The wedding took place at Camp David. They have two children, Robert David (b. 1993) and Georgia Grace (b. 1996). Robert P. Koch was an aide to House Democratic leader Richard Gephardt, and is a lobbyist and president of the Wine Institute.
He has a substantial equity interest in Central European Distribution Corp., a company that manufactures and distributes vodka in Poland. She resides in Bethesda, Maryland, with her family. She is an event organizer and fundraiser for charities and other nonprofit organizations. She co-chairs the Barbara Bush Foundation for Family Literacy along with her brother Jeb. She has also served as a pioneer fundraiser for her brother's presidential campaigns. She is the author of the book My Father, My President: A Personal Account of the Life of George H. W. Bush (2006). She sponsored the commission of USS George H.W. Bush, her father's namesake. On January 10, 2009, she gave the first orders to the ship's company at Norfolk, Virginia.