Yup, there was a whole bloody project devoted to it, decades ago.

[He kinda figured Cloud didn't remember him this time, after he'd been here for such a short time when he'd last seen him.]

Jonothan Starsmore. We were...acquainted....the last time you'd come to thee castle. We were both part of some ploy the castle'd cooked up, gave us false memories of a life we'd never lived.