Please answer the following question: - imagesize is 175px - residence is bethesda , maryland - relatives is george -lrb- sister -rrb- john ellis '' jeb '' bush -lrb- w. brother -rrb- neil mallon bush -lrb- brother -rrb- marvin bush bush -lrb- brother -rrb- -lrb- brother -rrb- pauline robinson bush - caption is dorothy . bush koch at the 2006 texas book festival - birth name is dorothy walker bush - spouse is william koch -lrb- 1992 -- present -rrb- leblond -lrb- 1982 -- 1990 -rrb- robert p. - parents is george h.w. bush and barbara bush - children is sam 1986 -rrb- -lrb- leblond -rrb- robert -lrb- b. 1993 -rrb- -lrb- and gigi -lrb- b. 1996 -rrb- -lrb- koch -rrb- b. 1984 -rrb- and ellie -lrb- b. - birth date is 18 august 1959 - image is doro bush koch 2006.jpg - birth place is harris county , texas - religion is episcopal - alma mater is boston college -lrb- bachelor of arts -rrb- Given the details above, guess who could this information be about.
A:
dorothy bush koch