I like the cut of your jib. I dont know what a jib is, or why you would cut it, but I like it!
I like the idea of giving skilled thralls incentive to be happy workers and not sabotage everything, but giving them citizenship, or titles and other accolades?? The ability to move around or escape Anglea? Not so hot.
However, give their children the chance of citizenship, to start life with substantial prestige, now that looks nice. What parent doesn't want the best for their kid. Also, if the parent ever thinks to take a stab at the republic, well, it could be bad news for the kid, loss of honor, loss of citizenship (if it occurs before they come of age, if it happens after I dont really see them revoking it), or worse...