'Seed' in the Bible

And these were they which went up also from Telmelah, Telharesha, Cherub, Addon, and Immer: but they could not shew their father's house, nor their seed, whether they were of Israel.

And the seed of Israel separated themselves from all strangers, and stood and confessed their sins, and the iniquities of their fathers.

And foundest his heart faithful before thee, and madest a covenant with him to give the land of the Canaanites, the Hittites, the Amorites, and the Perizzites, and the Jebusites, and the Girgashites, to give it, I say, to his seed, and hast performed thy words; for thou art righteous: