"You're..." Jack stammered and shook his head. Tip was Ozma? The rightful heir to the Throne of Oz? But Ozma had died, when the Wizard conquered Oz. He'd had the King and Queen, and their your daughter slaughtered. Jack knew the history, though he had been just a baby himself when it happened, he knew the story.
"But Ozma...she died. How..." But it made sense. Mombi had given Tip the elixir to keep her disguised as a boy, so no one would know who she was. It was a rather clever and effective rouse, he supposed. But that meant Tip had never really existed.