Prince William has one brother, Prince Harry.
They're brothers.
Prince William has one younger brother, Harry.
yes, prince Henry had 2 brothers peter and Ferdinand
Yes, they were there
No, but Prince William has one brother.
yes
No, as Diana was in France and William and Harry were in England. She died in the night, as the brothers were both sleeping, and Prince Charles decided to break it to them the morning after.
No William Hooker Gillette didn't have any brothers or sisters.
Prince William has one younger brother - Prince Harry.
If prince William does not accept then either his son will be king or there will not be any king
Prince William is not one of Jehovah's Witnesses of any description "modified" or not.