whose

чей

Of whom, belonging to whom; which person's or people's

• Whose side are you on?

  На чьей ты стороне?

  Tatoeba · CK · CC BY 2.0 FR

• Whose little hands are these?

  Чьи это ручки?

  Tatoeba · deniko · CC BY 2.0 FR

чей

Of whom, belonging to whomредкое

чей

Of which, belonging to whichредкое