Yes she had two sisters. Her half sister Olga (the daughter of her mother by her first husband) was about 10 years older than her and her younger sister Svetlana "Lana" was about 4 or 5 years younger.
Yes, she has three: two sisters and one brother.
He has 2 sisters. Claire & Natalie
Raoul yes
yes his brother is Clyde, no sisters though :)
yes natalie and jake
He did not have any sisters. (He did have one brother.)
2 sisters but no brother
he has 4 sisters.
2 sisters and 1 brother
No, but Prince William has one brother.
he had two brother and sisters
He has an older brother but no sisters.