Keltham doesn't say anything to that; perhaps it's a question that somebody at INT 29 would have considered long since, if at WIS 27 they dared to think of it at all, thought their own thoughts controlled sufficiently for it.
"Describe the entire procedure used to generate my children in as much detail as you remember. Maybe there's some security flaw in your randomization, transparent to me but not to you. I am still trying to think of a way out of this."