a sister
Do you have a sister?
Hast du eine Schwester, Juan?
Do you have a sister, Juan?
Eine Schwester hat geheiratet, eigentlich zwei.
One sister got married—actually, two.
— Eat Drink Man Woman (1994)
Tom hat eine Schwester in Boston.
Tom has a sister in Boston.
I have a sister.
Tom hatte eine Schwester, die mit drei Jahren gestorben ist.
Tom had a sister who died when he was three years old.
Does he have a sister?
Tom hat eine Schwester ungefähr in deinem Alter.
Tom has a sister about your age.