Ivana Trump attends the Gabrielle's Angel Foundation for Cancer Research "Angel Ball" honors gala in New York, in this Oct. 17, 2011, file photo. Ivana Trump, the first wife of President Donald Trump, is writing a memoir which will focus on the couple’s three children. “Raising Trump” will be published Sept. 12, 2017, by Gallery Books. (AP Photo/Evan Agostini, File)