'Remnant' in the Bible

It happened, when Joshua and the children of Israel had finished killing them with a very great slaughter until they were consumed, and the remnant which remained of them had entered into the fortified cities,

and the border of Og king of Bashan, of the remnant of the Rephaim, who lived at Ashtaroth and at Edrei,

all the kingdom of Og in Bashan, who reigned in Ashtaroth and in Edrei (the same was left of the remnant of the Rephaim); for Moses attacked these, and drove them out.

"But if you do at all go back, and hold fast to the remnant of these nations, even these who remain among you, and make marriages with them, and go in to them, and they to you;