Gosh I hope that’s the case!!!He won't get a huge amount (for royals not us plebs) though will he? The vast amount of it will go with the crown to avoid inheritance tax.
KC3's siblings are now beholden to him for their allowances and so H will be beholden to King William V when he ascends the throne. There wont be a great deal more money for her to take, especially as we know she can spend it so quickly.