'Therein' in the Bible

There are perhaps fifty righteous within the city: wilt thou also destroy and not forgive the place for the sake of the fifty righteous that are therein?

And it came to pass in the morning, that his spirit was troubled; and he sent and called for all the scribes of Egypt, and all the sages who were therein, and Pharaoh told them his dream; but there was none to interpret them to Pharaoh.