Yes she has a young brother and an older sister.
yes, she has one brother Jonnie, 23, and one half-sister Caitlin, 11.
yes his brother is Clyde, no sisters though :)
maybe
He did not have any sisters. (He did have one brother.)
2 sisters but no brother
He has an older brother but no sisters.
he had two brother and sisters
2 sisters and 1 brother
he has 4 sisters.
No, but Prince William has one brother.
His brother is called Luke.
no;]