Katie Walker is the daughter of former US. president Garrett Walker and former first lady Patricia Walker. Retrieved from "http://house-of-cards.wikia.com/wiki/Katie_Walker?oldid=15586" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.