We don't know what was in her will, we don't know what she gave away during her life, and we don't know what she told her children before she died.

Andrew may just be exhibiting a sense of entitlement, or she may have told Charles's siblings that Charles would share the money.

She may have instructed Charles to use Andrew's portion to ensure he has food, shelter, and clothing for the rest of his life, pay for any extras he deems appropriate, but don't give Andrew any substantial amounts of money that greedy, grasping Fergie could fritter away. That 32K guru expense that Charles is refusing to pay could have been wracked up by Fergie.

And the article does state that all Charles's siblings are peeved, so it could be that once again, Charles is going back on his word.