1.
The middle wall had precisely the same books as used to be in the
library at the house of his in Park Lane.
2. After breakfast
he went off to the house of hers.
3. I'd like you to come to the place
of hers.
4. I'm not going to the house of hers at all.
5.
They tell me at the house of his, that Dartie has gone off at last.
6. He was one of the patients of his.
7. Peter was the son of theirs.