Only you can answer that question...
1 sister
She has a half-sister :)
1 sister...
1 sister
she has 1 little sister. she is 14
he has one brother one sister
Harry has one sister. Harry has one sister called Gemma
Two - Sister Act and Sister Act 2: Back in the Habit.
He has only one sister.
Malia only has 1 sister
Sister Mine has 416 pages.
Not Without My Sister has 416 pages.