Meanings
because of her, for her sake
Das ist alles ihretwegen passiert.All of this happened because of her.
because of them, for their sake
Das ist alles ihretwegen passiert.All of this happened because of them.
as far as she is concerned (she doesn't mind if); for all she cares
Ihretwegen kannst du mitkommen.As far as she is concerned, you can come with us.
as far as they are concerned (they don't mind if); for all they care
Ihretwegen kannst du mitkommen.As far as they are concerned, you can come with us.
Examples
GermanEnglish
Du brauchst dir ihretwegen keine Sorgen mehr zu machen.You don't have to worry about her anymore.
Ich tue das hier ihretwegen.I'm doing this for her.