Relative clauses(Bezittelijke bijzinnen)samengevat:
This is the bike which was hit in the accident. -> dingen
The thief
who robbed him was sent to prison. ->
personenThis is the man (that) I saw yesterday. -> personen (dieren/dingen); informeel
Robert, whose bag was stolen, reported this to the police. -> geeft bezit aan
This house, which was built last year, is hard to break into.-> extra informatie, (de bijzin which was built last year kan weggelaten worden en staat daarom tussen komma's)