Prince Harry s Spare revealed he was only born to "provide organs" for Prince William. But, what s a replacement child, and how do you know if you re one?
Meaning Behind Prince Harry s Book Title Spare seventeen.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from seventeen.com Daily Mail and Mail on Sunday newspapers.
Like you, I have a brother, in my case born three years before me. His name is Adrian (left) and he was always the heir. He inherited the title, Lord Palmer, some 30 years ago.