Sydney is the largest Australian city. It is not the capital od Australian (reducing the relative clauses)

1. Sydney is the largest Australian city. It is not the capital od Australian (reducing the relative clauses) =>
2. John works with that orther chap. I can't remember his name (whose) =>
3. The man who jogs regulaly in the Botanic Gardens is swimming in his private pool. (reducing the relative clauses) =>