Dorothy Walker Bush was born 18 August 1959 in Harris County, Texas, United States to George Herbert Walker Bush (1924-2018) and Barbara Pierce (1925-2018) . She married William Heekin LeBlond (1957) 1982 . She married Robert P. Koch (1960) 27 June 1992 in Camp David, Maryland, United States.
|Offspring of Dorothy Walker Bush and William Heekin LeBlond (1957)|
|Samuel Bush LeBlond (1984)|
|Nancy Ellis LeBlond (1986)|
|Offspring of Dorothy Walker Bush and Robert P. Koch (1960)|
|Robert David Koch (1993)|
|Georgia Grace Koch (1996)|